SOGNA ILLUSTRATIONS ソニア．イラストレーションズ

[Norakuro Nero] OtaPri - Princess of Otaku

SOGNA ILLUSTRATIONS II

[Nishizuki Chikara] Terrible Summoner (Viper) [English]

[Anthology] Sogna Anthology Comics

[Illustrations] Nijigen Dream Magazine Illustrations #2

[Mizone] Ajin Iryou Sougou Center e Youkoso! 2 [Chinese] [Kirin个人汉化] [Digital]

SOGNA ILLUSTRATIONS II

Sogna Information 1-5

VIPER Series Official Artbook III

VIPER Series Official Artbook IV