1. Kako Kaisou Hen Hen (過去回想編編) 
2. Pajama Sex (ぱじゃませっくす); Comiket 97 
3. Oazuke Sex (おあずけせっくす); Comiket 95 
4. Oiwai Sex 2: Imouto no Tanjoubi (おいわいせっくす2 妹の誕生日); Comiket 95 
5. Omoide Sex (おもいでせっくす); Comiket 96 
6. Ohitori Sex (おひとりせっくす); Comiket 98 
7. Oyasumi Sex AfterGrowth (おやすみせっくすAfterGrowth); Air Comike 2 
8. Omoide Sex Bangai-hen (おもいでせっくす番外編) 
 
Note: Chapter 8 exclusive to the Special Edition; Omoide Sex Soushuuhen Tokusouban (おもいでせっくす総集編特装版)

This entry includes the following chapters:
 
1. Oiwai Sex: Onii-chan no Tanjoubi (おいわいせっくす ～お兄ちゃんの誕生日～) released at Comiket 94, later one included in Otomari Sex Omnibus from Comiket 97. 
2. Oiwai Sex 2: Imouto no Tanjoubi (おいわいせっくす２〜妹の誕生日〜) first released online in FANZA and bundled with Oazuke Sex in Comiket 95, later one included in Oyasumi Sex Omnibus from Comiket 97. The setting happens after Oazuke Sex. 
3. Oiwai Sex 3: Onii-chan 20-sai no Hi (おいわいせっくす 3 ~お兄ちゃん20歳の日~) first released online in FANZA, later one included in AQUADROP omnibus from Air Comiket 2. The setting happens after Oyasumi Sex AfterGrowth.

1. Kako Kaisou-hen (過去回想編) 
2. Oiwai Sex: Onii-chan no Tanjoubi (おいわいせっくす ～お兄ちゃんの誕生日～); Comiket 94 
3. Omocha Sex (おもちゃせっくす); COMIC1☆11 
4. Omocha no Omake (おもちゃのオマケ) 
5. Okigae Sex (おきがえせっくす); Comiket 92 
6. Okigae Sex Bangai-hen: Nemurenai Yoru ni wa (おきがえせっくす番外編 ねむれない夜には) 
7. Otomari Sex (おとまりせっくす); Comiket 93 
8. Otomari Sex 1.5 (おとまりせっくす1.5); COMIC1☆13 
9. Otomari Sex Yokuasa-hen (おとまりせっくす翌朝編); Comiket 93 
10. Tabi no Owari-hen (旅の終わり編)

Note: Released at Comic Market 101.

1. Childwood-4; Kaki Oroshi 
2. Oyasumi Reverse (おやすみりばーす) 
3. Okaa-san ga Eranda Fuku de (おかあさんがえらんだ服で) 
4. Oyasumi Under (おやすみあんだー) 
5. Suki na Hito ni Nita Kao De (すきなひとに似た顔で) 
6. Mikka Miban, Kyoudai Futarigurashi (三日三晩、兄妹ふたりぐらし); Comic Market 101 
7. Oiwai Sex 3: Onii-chan 20-sai no Hi (おいわいせっくす3～お兄ちゃん20歳の日～) 
8. Okaeri Sex (おかえりせっくす); Comic Market 102 
9. Childwood - Mother and Aunt; Kaki Oroshi

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