(COMIC1☆7) [Wagamama Dou (Syowmaru, NIO)] Wagamama Antholo (Various)

Takemama Iinkai - Takeru to Mama to Kateikyoshi

(CR35) [Wagamama Dou (Syowmaru, NIO)] OVER-KING 04 (Overman King Gainer)

Over King Complete Works

(C64) [Wagamama-dou (Syow-maru, NIO)] OVER KING (Overman King Gainer)

(C66) [Wagamama Dou (Syowmaru)] Over King Complete Works (Overman King Gainer)

(C65) [Wagamama-dou (Syowmaru)] Over King 03 (Overman King Gainer)

KayoizuMama: Mata kichatta | Mama Came Over Again

(Comic Castle 2005) [Wagamama Dou (Syowmaru)] OVER-KING Extra Edition (Overman King Gainer)

[Wagamama-dou (Syowmaru)] Over King 02 (Overman King Gainer)