BL Sakka Tokidoki Ookami
Complete | Natsume kumoi | 2019 released
Cupid ni Rakurai
Complete | Suzumaru minta | 2019 released
2022-05-17 09:18 marked
Kanshaku Dama no Love Song is sequel/spinoff of this.
Rational Pervert Romance
Complete | Semori Nanako , Sekihara Neg | 2000 released
has spinoff: https://www.mangago.me/read-manga/simplified_pervert_romance/
Koi To Kedama To Otonari-san