(C86) [J.O.C e.go!! (Kasuga Souichi)] 2nd bell (THE IDOLM@STER)
(C77) [Bronco Hitoritabi (Souichi, Uchi-Uchi Keyaki)] Subarashii Sekai (THE IDOLM@STER)
(C86) [J.O.C e.go!! (Kasuga Souichi)] 2nd bell (THE IDOLM@STER) [Chinese] [脸肿汉化组]
(SC52) [Draw Go (Souichi)] BakkonMaster (Pokémon, THE iDOLM@STER) [English] {doujin-moe.us}
[Kasuga] The C@ttleM@ster (THE iDOLM@STER)
[Kasuga] The C@ttleM@ster Part 1 (THE iDOLM@STER) {English}
[J.O.C★e.go!! (Kasuga Souichi)] BEAT OF LIFE (THE iDOLM@STER SideM)
[Kasuga] Watashitachi Supponpon ~Kasuga Sakuhinshuu~ | Kasuga Anthology [English] [Decensored] [artfish] [Digital]
(C81) [J.O.C★e.go!! (Kasuga Souichi)] Honey to Miki to Kono Omoi. (THE IDOLM@STER)
(C81) [Suiteibuin (Akane Souichi)] Yomi-san Kiken Kawaii. (Senran Kagura)