9-nine-
9-nine- is a mystery visual novel created by Palette studio and illustrated by Izumi Tsubasu. It's composed of 4 separate episodes following chronological order.
* 9-nine- Kokonotsu Kokonoka Kokonoiro
* 9-nine- Sorairo Sorauta Soranooto
* 9-nine- Haruiro Harukoi Harunokaze
* 9-nine- Yukiiro Yukihana Yukinoato