Hentai Manga like Osananajimi ni Fureta Natsu

Osananajimi Sotsugyoushiki

Status: Finished
Genres: Hentai

Included Stories: 1-2. Neko Manman (ねこまんまん); COMIC Shingeki 2015-08, 2016-09. 3. (約束なんていらない) 4. (約束なんていらない それからー) 5. (おねだり理緒ちゃん) 6. Marchen♥kiss (メルヘンキッス); COMIC Shingeki 2015-02 7. Yuuri-sama ga Miteru (ユーリ様がみてる); COMIC Shingeki 2016-12 8. Yuuri-sama ga Motto Miteru (ユーリ様がもっとみてる) 9. Neko Manman Okawari (ねこまんまん おかわり)

Suki na Ko no Onee-san

Status: Finished
Genres: Hentai

Natsu no Sei da yo (なつのせいだよ。); Comic Reboot Vol. 26
2-8. Suki na Ko no Onee-san (好きな娘のお姉さん); Comic Reboot Vol. 10, 13, 15, 18, 20, 22
Osananajimi to Shitai Koto (幼なじみとしたいコト); Comic Reboot Vol. 25
Imouto no Yuujin (妹の友人); Comic Reboot Vol. 08
Suki na Ko no Onee-san FANZA Tokusouban (好きな娘のお姉さんFANZA特装版)

Osananajimi wa Oyaji no Yome

Also known as My Classmate Is My Dad's Bride. But in Bed She's Mine..

Status: Releasing
Genres: Drama , Ecchi , Hentai , Romance

The school idol is my stepmother ?!
Under the same roof, living together with her begins.

My unrequited love, Erika, appears before my eyes saying that she has become my father's wife.
A sudden start from the first day of my new life leading to a series of events...!

Note: Originally serialized as a web manga under the title Doukyuusei wa Oyaji no Yome. Bed no Ue de wa Ore no Yome. (同級生は親父の嫁。ベッドの上では俺の嫁。). Each chapter is split into 3 ‘episodes’ in the English serialization.

Kanojo no Sukima wa Boku no Katachi

Status: Finished
Genres: Hentai

Kiniro no Kemono (金色のけもの, Golden Beast)
Osananajimi wa Kuso Bitch! (幼なじみはクソビッチ！, My Childhood Friend Is a Fucking Slut!)
Complex Honey (コンプレックスハニー); Comic Koh 2017-10
Ride on Me!
Tonari no Midara-san (隣のみだらさん, Miss Indecent Next Door)
Soukyuu no Aoi Kajitsu (双丘の青い果実, Twin Hills Unripe Fruits)
Otona to Kodomo (オトナトコドモ, Adults and Kids); kakioroshi
Nadeshiko wa Yoru ni Saku (撫子は夜に咲く, The Dianthus Blooms at Night)
Shibotte! Kotori Kaichou! (搾って！琴里会長ッ！, Squeeze! President Kotori!)
Shinsou no Chijou (深窓の痴嬢, The Sheltered Lady); COMIC saseco Vol. 2

Koakuma x Osananajimi

Status: Finished
Genres: Hentai

Notes:
Physical version was published in Comic Market 96 as Koakuma x Osanajimi.
Digital version was delivered in Fanza (2021/10/15) as Tada no "Osananajimi" ja Nai Mon ne (2021/2/18).