(C88) [Purin House (Nakai Kana)] Solar System (League of Legends)
Tensoushugi no Kuni Kouhen | A Country Based on Point System Sequel
[SYSTEM SPECULATION] Technical Mac 1 Koutetsu No Girl Friend (Evangelion)
[Anthology] Doujin Anthology Bishoujo a La Carte 1 (Various)
(C89) [WHIRL POOL (Cyorisuke)] Tekkadan Fudeoroshi System (Mobile Suit Gundam Tekketsu no Orphans)
[Kuon Michiyoshi] Hundred Game 3 [Digital]
(C94) [Furaipan Daimaou (Chouchin Ankou)] System Desukara Idol Time #4 (PriPara)
(Puniket 35) [Furaipan Daimaou (Chouchin Ankou)] System Desukara Idol Time (PriPara)
System desu kara #3
(C85) [Circle Daiinma (Core-suke)] Cosme Reverse System (Space Battleship Yamato 2199)
[NEKOYA-SYSTEMZ (Okazaki Nao)] Nano-chin ☆ Fa-chin ++ (Plus Plus) (Mahou Shoujo Lyrical Nanoha) [Digital]
(C67) [Water Wheel (Shirota Dai)] Hesitates Operating System (OS-tan) [English] [SaHa]
[Doubaku System, Ginza Taimeiken (Various)] Choutoppatsu! Mizutani Fan Book Ver 1.2 (Dousoukai)
(C87) [AN-ARC (Hamo)] FUMINA EROS SYSTEM (Gundam Build Fighters Try) [Chinese] [CE家族社]
(CR36) [EKAKIGOYA NOTESYSTEM (Nanjou Asuka)] Twin's-KITSCH (Itazura Koneko Twins)
(Waga Te ni Hikigane o 13) [Kuusou Kyuuka (Mikoto Kei)] Trion Hokyuu System Jikken Kiroku (World Trigger)
Mahoushoujyo Rensei System | Magical Girl Orgasm Training System 04
[UTU Systems (Suika Melon)] Amedama Kaa-chan 1 - Gifu Tomo Hen
(C58) [JIBAKU-SYSTEM (Kimidori Iro)] CRESCENDO II (Martian Successor Nadesico)
(C69) [JIBAKU-SYSTEM (Suzuki Amaharu)] PREPARATION-AOI (Zettai Karen Children)