(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
[Yui Toshiki] ReYui Vol.3
Inbou Kyousei Kairaku Esute Zenpen | Underground Forced Pleasure Salon Part 1
(C87) [Fatalpulse (Asanagi)] VictimGirlsR "JK de Refre -Flesh & Refresh-" [Chinese] [空気系☆漢化]
Himitsu Yuugi | 비밀유희
[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]
(C97) [Shimofutaketa Zorome (Ahou Miya)] Theater Drama City (Deep Web Underground) [English] {Hennojin}
Sawari Tsukuse Manin Densha!
Muryoru Kangoku | The Swarm Approaches the Wicked Prison
Knightmare Apocrypha ~Prison of Flesh~
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
]NUDEGIRL | 超裸女
[RED RIBBON REVENGER (Makoushi, Takatoo Juna)] Shiro (Spiral, Tokyo Underground)
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi)
Underground arena no sen
[PIero] Kuroyuki ~Inniku Sakunyuu Jigoku~ | Kuroyuki ~Milking Hell of Lewd Flesh~ (Chounyuu Daifungoku) [English] [HappyMerchants] [Decensored]
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
[Unknown] Chika Teien | Underground Garden [English]
Maso no Keifu