Nyotai Koukai Jikkenshitsu
女体肛開実験室 · にょたい こうかい じっけんしつ
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
1. Ryoujoku Kyoushitsu: Injoku no Yoru (凌姦教室~淫辱の夜~) 2. Onna Joushi no Nikusettai (女上司の肉接待) 3. Kougyaku Vibe Nyotai Ijiri (肛虐バイブ女体弄り) 4. Race Queen Kansatsu (レースクイーン姦撮) 5. Hako (-匣-) 6. Tsuma ≒ Haha (妻≒母) 7. Oni Shizume (隠忍鎮め) 8. Bokutachi no Tsunagari (ぼくたちのつながり) 9. Inniku Setsuzoku Sharyou (淫肉接続車両) 10. Ouma (逢魔) 11. Kyousei (-強精-)
Source: AniList
External databases: MADB · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections