(C96) [SILENT HILL (Morisoba)] NOT JAP (Deep Web Underground) [English] {Hennojin}
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
[SaHa] Fractal Underground - Warm Kotatsu (English)
Chika Tougijou Sen - Underground Colosseum Sen 4
[Nakamura Yukitoshi] Underground Athlete Maker (2D Comic Magazine Kikaikan Ningen Bokujou Vol. 2) [English] [Digital]
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
Pedolia! underground
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
[Unknown] Chika Teien | Underground Garden [Chinese]
Ningen wa Oroka | Humans Are Foolish
(C83) [Tricot (Stella.Ing)] From The Underground (The Legend Of Zelda) [English] =SW=
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
[Shiruka Bakaudon] Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools (COMIC Mate Legend Vol. 15 2017-05) [English] [Digital]
[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]
Chika Tougijou Sen - Underground Colosseum Sen 5
Triglav Underground Railway
[Ribonatsu] G (Tokyo Underground)
(C78) [bolze. (rit.)] The Sunshine Underground (Heart Catch Precure)
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
S to M to M to S
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral) [Digital]
Chika Teien | Underground Garden
Humiliation underground
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
Chika Tougijou Sen - Underground Colosseum Sen 4 | 지하투기장 센4
Buchou to Kachou | 部长与课长 1-3
(C89) [Yamaneko Jinja (John Inu)] UNDERGROUND ASCENDANCY (Touhou Project)
Hitsugi
Underground
Chika Tougijou Sen - Underground Colosseum Sen
[Fractal Underground Studio] Himitsu no Basho | Secret Place [English] [SaHa]
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
Imouto Sengen
Chika Tougijou Sen - Underground Colosseum Sen 3
NOT JAP
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
(C62) [C's cheese (Hebimaki Qto)] Nibun no Ichi no Gimai (Tokyo Underground)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
Chika Tougijou Sen - Underground Colosseum Sen 3
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Chinese] [沒有漢化] [Digital]
Underground Hotel
Underground Hotel ~Cross Over~
FABRICATION FLAVOR
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
Mazu no Hoshikuzu | 魔都的星尘 act.1-2
Ningen wa oroka
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
Vtuber Sokuhame Kairaku Ochi Hon
[Ranchiki (dotsuco)] Mesuochi Idol-kun | Feminizing Degeneration Idol-kun [English] [Nisor] [Digital]