まずはセフレから、どう？

The volume includes the following chapters: 1. Hatsu Uri (初売り, First Sale); Comic Kairakuten 2021-11 2. Hentai Doushi (変態同士, Mutual Perverts); Comic Kairakuten 2023-10 3. Jukusei Love (熟成ラブ, Matured Love); Comic Kairakuten 2023-05 4. Kataku na Kyoudai (かたくな兄妹, Stubborn Siblings); Comic X-Eros #82 5. Akogare no Senpai (あこがれの先輩, My Beloved Senpai); Comic X-Eros #84 6. Return Mama (リターン・ママ); Comic Kairakuten 2022-10 7. Regret Mama (リグレット・ママ); Weekly Kairakuten 2024-07