Kazoku Ni Narouyo
Complete | KURAHASHI Tomo | 2016 released
2019-12-12 19:12 marked
Prequel http://www.mangago.me/read-manga/itsuka_koi_ni_naru_made/
Black Eagle in the Sahara: Alkil's Story
Complete | Emu Soutome | 2000 released
2020-12-06 14:14 marked
Prequel: http://www.mangago.me/recommend-manga/sahara_no_kuro_washi/
The Cynical Wolf's Seduction
Complete | Azutaka | 2000 released
2020-12-07 16:08 marked
Prequel/spinoff: http://www.mangago.me/read-manga/itoshi_no_ookami_kun/
Nights Before Night
Complete | Kazuki Natsume | 2000 released
2020-12-19 20:09 marked
Prequel: Shiro's story http://www.mangago.me/read-manga/mods/
Koyu Ganbou no Hanashi
Complete | Echo,ECHO Jiro | 2019 released
2021-01-08 00:59 marked
Prequel: http://www.mangago.me/read-manga/souyuu_ganbou_no_hanashi/
Momoiro Renai Jijou
Complete | oumi ako | 2000 released
2021-01-27 05:32 marked
Read till ch 6 (1st couple)
Kedamono Arashi - Kiss Me Baby! -