Used

<<Other games>> Mon petit oiseau / Kagai Ryu / Kurumaya Honpo

Used

<<Other games>> Shisho Koishiya / Ryu Sakanagi (Naomitsu Momochi x Hotaru) / Kurumaya Honpo

Used

<<Other games>> Shujinko-donburi / Sakanagi-ryu (Gentoku x Yamadahana, Saeki Ei x main character, Arikawa Masaomi x Nozomi Kasuga Mi) / Kurumaya Honpo

Used

<<Other games>> Ui-no-Okuyama / Ryū Sakanagi / Kurumaya Honpo

Used

<<Other games>> Lovers' lane / Ryu Sakaki (Richard x Beatrice, Asch x Carroll) / Kurumaya Honpo

Used

<<Other games>> Princess Oniisama (I'm Scared) / Ryu Sakanagi (Wolf x Tiny) / Kurumaya Honpo