[Yanagawa Rio] Mama to Yobenakute | I Can't Call Her Mama (Kinjirareta Asobi) [English] [Decensored]
[Kawazuko Chouji] Mamanko | Mother and Son (Imouto Ijiri to Mama Asobi) [English] [Marien] [Digital]
(Konohana Sakuya 1) [from SCRATCH (Johnny)] Maid no oneesan ga shibori totte ageru. (Touhou Project)