[Zonda] Fellatio Research Department Epilogue (Fellatio Kenkyuubu) [English]

[Zonda] Watashi no Kareshi o Netotte Kudasai | Please Steal My Boyfriend (Boku no Kanojo o Netotte Kudasai) [English] [Hive-san]

[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [English] [RedLantern] [Digital]

[Izumo Gasshuukoku (Momomo Gasshuukoku)] Futanari Magical Girls ~Grow Dicks and Have Their Way With Their Fans~ [English]

[Zonda] Fellatio Kenkyuubu Saishuuwa (COMIC Mugen Tensei 2023-01) [English] [Digital]

[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [head empty + RedLantern]