Description

Ryuuki Kirishima, the protagonist, wonders why his older sister Rinko hasn’t shown him her room in four years. When he finally opens the door, he discovers Rinko’s true nature, leading him to an emotional release amidst the chaos. His feelings intensify to a critical point, and the secret between them will linger into their adulthood.


Genres


Gallery

  • Shounen ga Otona ni Natta Natsu - 4 - Screenshot 1
  • Shounen ga Otona ni Natta Natsu - 4 - Screenshot 2
  • Shounen ga Otona ni Natta Natsu - 4 - Screenshot 3
  • Shounen ga Otona ni Natta Natsu - 4 - Screenshot 4
  • Shounen ga Otona ni Natta Natsu - 4 - Screenshot 5

Latest Comments

hoya2 Avatar
hoya2 - 2 months ago
Why did you set the resolution (2880 x 1920)? It's so inconvenient

hoya2 Avatar
hoya2 - 2 months ago
The screen ratio is 2880 x 1920. Why is it like this?

Neko Avatar
Neko - 2 months ago
You can turn this off, when clicking the button in the down right corner of the player.

!bink Avatar
!bink - 3 months ago
This would’ve been peak if it wasn’t queen bee

clancy Avatar
clancy - 3 months ago
Queen bee work is like junk food, unhealthy but everyone like it and hate it at the same time

Hent2025AI Avatar
Hent2025AI - 2 months ago
Best part about AI is that it’ll turn Queen Bee into Bunnywalker and it’ll turn Bunnywalker into Studio Ghibli. That’s the quality level increase in frame rate and animation detail it’ll do in the next 3-6 MONTHS. It’s gonna be wild to see all these slide shows suddenly turn into actual movies.

clancy Avatar
clancy - 2 months ago
💀i don't know i should be happy or disappointed... Billions of evolution for this?

Hent2025AI Avatar
Hent2025AI - 2 months ago
Sorry about the long text. Please hold your phone sideways to read it easier. Some people think it’ll be like Star Trek or the Jetsons. Others think it’ll be like Terminator or Dune. I like to think it’ll be closer to Futurama. Mix of good, bad, and a whole lot of strange. That said, I’ve been dreaming of some sort of computer tech that could take the curved lines of manga and start animating them so we could get 1:1 anime of the Japanese manga and American comics. We’re now going to get something so much more powerful. It’ll be used to produce 99% garbage but the remaining 1% will be absolutely masterpiece God-tier quality hentai that’ll make you believe in God again. Imagine hentai that had the same animation quality as Akira, Ghost in the Shell, Princess Mononoke, etc. Imagine all of your favorite manga and hentai doujinshi fanfiction all the American fanfiction Rule34 suddenly getting that treatment. It almost makes me cry tears of joy. At least one of my childhood dreams is finally coming true. People are going to fall in love with 2D style animation all over again and it’ll ironically be because of AI. This will also foster enormous appreciation for the old vintage animation because it’s not just the source material training data it was all so painstakingly laboriously done by hand and criminally under appreciated.

clancy Avatar
clancy - 2 months ago
I hope so, buuuutttt billions of evolution for simping for a 2D girl? That's a little weird, i know bro we are discussing this on a hentai site but i hope you get the point. But hey At least I'll be happy to see berserk in 4K.

Hent2025AI Avatar
Hent2025AI - 2 months ago
They’ll start in 2D but then the AI will go into SexBots and that’s how we make Hentai Harems real for Weebs IRL. We are definitely getting our dicks sucked in the next 12-18 months.

KKJ_1939 Avatar
KKJ_1939 - 3 months ago
I wish the author hired Pink Pineapple or T-Rex...

Xypher2 Avatar
Xypher2 - 3 months ago
Yeah, this is disappointing. And here I thought the bonus ending was gonna get animated, instead it's only shown in the credits with no motion nor dialogue.

Deleted User Avatar
Deleted User - 3 months ago
Ну что же могу сказать. Это было очень хорошо, прямо отлично

tomnySB Avatar
tomnySB - 3 months ago
Ichigo Chocola Flavor

♺ 🄴🅁🅁🄾🅁 ♺ Avatar
♺ 🄴🅁🅁🄾🅁 ♺ - 3 months ago
I think it was loaded with the wrong format, because it is not 1920x1080 but 1920x1280.

Rinkerbel Avatar
Rinkerbel - 3 months ago
No the format is fine, the video is anamorphic 16:9 so it will be stretched to fit

Exordium Avatar
Exordium - 3 months ago
What a way to ruin an amazing manga. Queen Bee is a disgrace to the hentai community.

waifutwins Avatar
waifutwins - 3 months ago
Theyre doing adaptations here and there that lead to the doujins sales, they have a part.

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lui

Luistar • 124/148 Episodes

4

Ajisai no Chiru Koro ni - 1

Ajisai no Chiru Koro ni - 1

661085 Views - T-Rex

6

Taimanin Asagi 2 - 2

Taimanin Asagi 2 - 2

46645 Views - T-Rex

8

Shikijou Kyoudan - 1

Shikijou Kyoudan - 1

744297 Views - T-Rex

9

Himawari wa Yoru ni Saku - 1

Himawari wa Yoru ni Saku - 1

1239399 Views - T-Rex

10

Ane wa Yanmama Junyuu-chuu - 1

Ane wa Yanmama Junyuu-chuu - 1

1245330 Views - T-Rex

12

Saimin Seishidou - 4

Saimin Seishidou - 4

388505 Views - T-Rex

13

Kyonyuu Elf Oyako Saimin - 1

Kyonyuu Elf Oyako Saimin - 1

407621 Views - T-Rex

14

Bakunyuu Bomb - 3

Bakunyuu Bomb - 3

35832 Views - ChiChinoya

15

Haritsuke - 1

Haritsuke - 1

59941 Views - Queen Bee

17

Daraku Onna Kyoushi Hakai - 1

Daraku Onna Kyoushi Hakai - 1

35705 Views - Shinjukuza

18

Bible Black - 1

Bible Black - 1

94187 Views - MS Pictures

20

Discipline Zero - 1

Discipline Zero - 1

33648 Views - Mediabank

21

Nikuyome: Takayanagi Ke no Hitobito - 1

22

Rei Zero - 1

Rei Zero - 1

28631 Views - Pixy

24

Kyonyuu Princess Saimin - 1

Kyonyuu Princess Saimin - 1

123273 Views - T-Rex

25

Mesu Saga: Persona - 1

Mesu Saga: Persona - 1

79547 Views - MS Pictures

26

Enbo: Taboo Charming Mother - 1

Enbo: Taboo Charming Mother - 1

81992 Views - MS Pictures

27

Imaria - 2

Imaria - 2

125179 Views - Lune Pictures

29

Yama Hime no Mi - 2

Yama Hime no Mi - 2

53482 Views - MS Pictures

32

Kazama Mana - 1

Kazama Mana - 1

45615 Views - Flavors Soft

33

Himekishi Lilia - 1

Himekishi Lilia - 1

28138 Views - Pixy

36

Soukou Kijo Iris - 1

Soukou Kijo Iris - 1

31443 Views - Pixy

37

Demonion Gaiden - 1

Demonion Gaiden - 1

49822 Views - Mediabank

38

Shounen ga Otona ni Natta Natsu - 2

Shounen ga Otona ni Natta Natsu - 2

120380 Views - Queen Bee

39

Watashi no Shiranai Mesu no Kao - 1

40

Yue ni Hitozuma wa Netorareta. - 1

Yue ni Hitozuma wa Netorareta. - 1

74028 Views - Queen Bee

41

Rinkan Club - 1

Rinkan Club - 1

63272 Views - Pixy

43

Dropout - 2

Dropout - 2

39911 Views - Edge

44

Shuukaku no Yoru - 2

Shuukaku no Yoru - 2

21260 Views - Blue Eyes

45

Rin x Sen + Ran - Sem Cross Mix - 2

Rin x Sen + Ran - Sem Cross Mix - 2

55644 Views - Suzuki Mirano

46

Discipline - 3

Discipline - 3

24935 Views - Mediabank

47

Saimin Ryoujoku Gakuen - 3

Saimin Ryoujoku Gakuen - 3

23073 Views - White Bear

50

Otome Dori - 1

Otome Dori - 1

78738 Views - Seven

52

Shikijou Kyoudan - 2

Shikijou Kyoudan - 2

129539 Views - T-Rex

53

Kutsujoku - 1

Kutsujoku - 1

113109 Views - T-Rex

54

Tropical Kiss - 1

Tropical Kiss - 1

33158 Views - Collaboration Works

57

Gakuen de Jikan yo Tomare - 1

Gakuen de Jikan yo Tomare - 1

65082 Views - Suzuki Mirano

59

Meikoku Gakuen: Jutai-hen - 1

Meikoku Gakuen: Jutai-hen - 1

100614 Views - T-Rex

60

Megane no Megami - 1

Megane no Megami - 1

90271 Views - T-Rex

61

Midareuchi - 2

Midareuchi - 2

97506 Views - T-Rex

63

Kyonyuu Kazoku Saimin - 1

Kyonyuu Kazoku Saimin - 1

102630 Views - T-Rex

64

Hatsukoi Jikan - 1

Hatsukoi Jikan - 1

137543 Views - T-Rex

65

Kyonyuu Reijou MC Gakuen - 1

Kyonyuu Reijou MC Gakuen - 1

83553 Views - T-Rex

67

Kedamono-tachi no Sumu Ie de - 1

Kedamono-tachi no Sumu Ie de - 1

37051 Views - Mediabank

68

Rinkan Biyaku Chuudoku - 1

Rinkan Biyaku Chuudoku - 1

65948 Views - White Bear

70

Kyonyuu Onna Shikan Sennou Saimin - 1

Kyonyuu Onna Shikan Sennou Saimin - 1

78554 Views - Lune Pictures

71

Boku no Yayoi-san - 1

Boku no Yayoi-san - 1

45299 Views - ZIZ

73

Rin x Sen + Ran - Sem Cross Mix - 1

Rin x Sen + Ran - Sem Cross Mix - 1

63631 Views - Suzuki Mirano

74

Netokano - 1

Netokano - 1

87794 Views - T-Rex

76

Aisai Nikki - 1

Aisai Nikki - 1

43152 Views - Pink Pineapple

77

Gakuen Saimin Reido - 1

Gakuen Saimin Reido - 1

53327 Views - MS Pictures

78

Foxy Nudes - 1

Foxy Nudes - 1

38389 Views - Discovery

79

Lingeries - 2

Lingeries - 2

23566 Views - Green Bunny

80

Lingeries - 1

Lingeries - 1

36841 Views - Green Bunny

81

Maro no Kanja wa Gatenkei - 1

Maro no Kanja wa Gatenkei - 1

47858 Views - MS Pictures

82

Accelerando: Datenshi-tachi no Sasayaki - 1

84

Kangoku Senkan - 1

Kangoku Senkan - 1

39097 Views - Pixy Soft

86

Gibo no Toiki - 1

Gibo no Toiki - 1

73763 Views - MS Pictures

88

Gibomai - 1

Gibomai - 1

23464 Views - Discovery

90

Haitokuzuma - 1

Haitokuzuma - 1

41539 Views - MS Pictures

91

Kininaru Roommate - 1

Kininaru Roommate - 1

34337 Views - MS Pictures

92

Ikusa Otome Suvia - 1

Ikusa Otome Suvia - 1

35464 Views - Pixy

93

Kyouhaku Owaranai Ashita - 1

Kyouhaku Owaranai Ashita - 1

26686 Views - Pink Pineapple

94

Enbi - 1

Enbi - 1

58291 Views - MS Pictures

95

Reginetta-san no Bouken - 2

Reginetta-san no Bouken - 2

33843 Views - Majin

96

Shounen ga Otona ni Natta Natsu - 3

Shounen ga Otona ni Natta Natsu - 3

166968 Views - Queen Bee

97

Mahou Shoujo Ai - 4

Mahou Shoujo Ai - 4

21010 Views - Milky Animation Label

98

Maso Mesu Soap de Aimashou - 1

Maso Mesu Soap de Aimashou - 1

102614 Views - Queen Bee

99

Jitaku Keibiin 2 - 5

Jitaku Keibiin 2 - 5

21299 Views - Suzuki Mirano

100

Gakuen Saimin Reido - 3

Gakuen Saimin Reido - 3

36985 Views - MS Pictures

101

Renai Fuyou Gakuha The Animation - 1

Renai Fuyou Gakuha The Animation - 1

46128 Views - Pink Pineapple

102

Wanna. SpartanSex Spermax!!! - 1

Wanna. SpartanSex Spermax!!! - 1

38840 Views - Suzuki Mirano

103

Foxy Nudes - 2

Foxy Nudes - 2

37038 Views - Discovery

104

White Blue - 1

White Blue - 1

24835 Views - PoRO

105

Shoujo kara Shoujo e... - 1

Shoujo kara Shoujo e... - 1

59909 Views - BreakBottle

108

Samurai Hormone The Animation - 1

Samurai Hormone The Animation - 1

65850 Views - Milky Animation Label

109

Yumemiru Otome - 2

Yumemiru Otome - 2

170773 Views - T-Rex

110

Yumemiru Otome - 1

Yumemiru Otome - 1

133668 Views - T-Rex

111

Inyutsu no Yakata The Animation - 1

Inyutsu no Yakata The Animation - 1

79008 Views - MS Pictures

112

Sefure Gakuen - 1

Sefure Gakuen - 1

63471 Views - Mousou Jitsugen Media

113

Dorei Usagi to Anthony The Animation - 1

Dorei Usagi to Anthony The Animation - 1

48181 Views - Pink Pineapple

116

Seiyoku Tsuyotsuyo The Animation - 1

Seiyoku Tsuyotsuyo The Animation - 1

119287 Views - Pink Pineapple

118

Ura Jutaijima - 1

Ura Jutaijima - 1

112821 Views - T-Rex

119

Oppai no Ouja 48 - 1

Oppai no Ouja 48 - 1

50559 Views - Milky Animation Label

120

Kansen 5: The Daybreak - 2

Kansen 5: The Daybreak - 2

43457 Views - Mary Jane

121

Kansen 5: The Daybreak - 1

Kansen 5: The Daybreak - 1

69140 Views - Mary Jane

122

Oni Chichi Harem - 1

Oni Chichi Harem - 1

89743 Views - Queen Bee

123

Kowaremono Risa Plus The Animation - 1

125

Oni Chichi Harem - 2

Oni Chichi Harem - 2

77361 Views - Queen Bee

126

Kuroinu II The Animation - 1

Kuroinu II The Animation - 1

75367 Views - Pink Pineapple

127

Hajimete no Hitozuma - 2

Hajimete no Hitozuma - 2

76914 Views - Mary Jane

128

Hatsukoi Jikan - 5

Hatsukoi Jikan - 5

98184 Views - T-Rex

130

Kowaremono Risa The Animation - 1

Kowaremono Risa The Animation - 1

96178 Views - Studio 1st

133

Hitozuma, Mitsu to Niku - 1

Hitozuma, Mitsu to Niku - 1

57222 Views - Queen Bee

134

Youma Shoukan e Youkoso - 1

Youma Shoukan e Youkoso - 1

49367 Views - Lune Pictures

137

Tiny Evil - 4

Tiny Evil - 4

47794 Views - Majin

138

Ikusei - 1

Ikusei - 1

82389 Views - Suzuki Mirano

139

Mashou no Nie 3 - 1

Mashou no Nie 3 - 1

34923 Views - Mediabank

140

Yuugao - 1

Yuugao - 1

233269 Views - T-Rex

141

Mesu Kyoushi Injoku no Kyoushitsu - 1

Mesu Kyoushi Injoku no Kyoushitsu - 1

51216 Views - MS Pictures

142

Okusama wa Michael - 1

Okusama wa Michael - 1

50231 Views - Schoolzone

143

Immoral Routine The Animation - 1

Immoral Routine The Animation - 1

186252 Views - Pink Pineapple

144

Koukai Benjo The Animation - 1

Koukai Benjo The Animation - 1

22489 Views - Pink Pineapple

145

Sakusei Byoutou The Animation - 5

Sakusei Byoutou The Animation - 5

37605 Views - Pink Pineapple

147

Saishuu Chikan Densha Next - 1

Saishuu Chikan Densha Next - 1

43661 Views - Pink Pineapple

148

Notto Sexaroid Eurie! - 1

Notto Sexaroid Eurie! - 1

66798 Views - Majin