[Yanagawa Rio] Mama to Yobenakute | I Can't Call Her Mama (Kinjirareta Asobi) [English] [Decensored]
(Reitaisai 6) [Newtype Kenkyuujo (Kotowari)] Tenshi no Kaikata Shitsukekata Ver1.03 (Touhou Project)
[Kawazuko Chouji] Mamanko | Mother and Son (Imouto Ijiri to Mama Asobi) [English] [Marien] [Digital]