I dread going home, because at home... my cute little sister Sayuki is waiting for me. 
 
If I come home, days when my younger sister will provide me sexual relief for the purpose of getting pocket money will begin. This kind of relationship started when my sister accidentally sent me a message that shockingly revealed that she was engaging in compensated dating with sugar daddies... 
 
This is a story about an older brother getting squeezed out in more ways than one by his morally bankrupt biological sister. 
 
(Source: FANZA, translated) 
 
Note: Originally published for Comiket 97.

Note: Originally published for Comiket 99.



Complete collection of the "Osananajimi de Koibito no Kanojo" doujinshi series.
 
1. Houkago Usagi (放課後うさぎ; Afterschool Rabbit); kakioroshi 
2. Hajimete no XXX (はじめてのXXX; My First XXX); C95 
3. Taiiku Souko de (体育倉庫で; In the PE Storeroom); C96 
4. Issho ni Pool (いっしょにプール; Together at the Pool); C94 
5. Hitori Asobi ♥ (ひとりあそび♥; Masturbating) 
6. Himitsu no Benkyoukai (ひみつの勉強会; Secret Study Session) 
7. Halloween (ハロウィン) 
8. Kotatsu de Icha Icha (こたつでいちゃいちゃ; Getting Hot under the Kotatsu) 
9. Gohoushi Dekinai Koharu-chan (ごほーしできないこはるちゃん; Koharu-chan Can’t Service) 
10. Onaho de Asobo (オナホであそぼ; Onahole Play); Comic Exe 30

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