アルキメデスのわすれもの

Contains bonus material from Circus' other games.

The first story is an omake to the original Suika, about a boy, with a disease, who is visiting a village suffering from water shortage and the girl he meets. This story is included in Suika A.S+.

The second is a "what if" short story about Kamishiro Moe's dream. Also included in Suika A.S+.

The third is an preview to the original D.C. Da Capo taking place during Christmas.

The game also contains other extra material from Circus.