Zecchou Kaihatsu Kyoku ♥

Volume 1
1-7. Furuya-kun to Oguri-san (古谷くんと小栗さん, Furuya-kun & Oguri-san); Comic Bavel 2020-05, 08, 12, 2021-03, 07, 12, 2022-04
8. Teisou Ring Challenge (貞操リングチャレンジ, Chastity Ring Challenge); Comic Bavel 2019-09
9. Boukun-kei Joushi (暴君系女子, Tyrannical Girl); Comic Bavel 2019-03
10. Furuya-kun to Oguri-san Bangai-hen (古谷くんと小栗さん 番外編, Furuya-kun & Oguri-san Bonus); Comic Bavel 2022-05

Volume 2
1-7. Furuya-kun to Oguri-san 2 (古谷くんと小栗さん2, Furuya-kun & Oguri-san 2); Comic Bavel 2022-12, 2023-04, 09, 11, 2024-04, 08, 11
8. Fumino-san no Himegoto (文野さんの秘め事, Fumino-san's Secret); Comic Bavel 2022-11
9. kakioroshi (描き下ろし)
10. Furuya-kun to Oguri-san 2 Bangai-hen (古谷くんと小栗さん2 番外編, Furuya-kun & Oguri-san 2 - ~after~); Comic Bavel 2025-04

Note: The 10th chapter of Volume 1 and Volume 2 are only available in the Digital Editions