The protagonist, Kenji, is living with his adopted sister Yuki, who admires her older brother and harbors a slight secret crush on him. One day, after a certain night, a girl - Hiyori, their childhood friend - begin to appear in Kenji's closet. Moreover, her body is transparent, and she has gaps in her memory. As they struggle to figure out the mystery behind Hiyori's state, Kenji begins to realize his forgotten feelings and Yuki suffers with her secret. [From [url=http://en.wikipedia.org/wiki/Mizuiro]Wikipedia[/url]]

As the title implies, the game focuses on Mahjong and was released in celebration NekoNeko's 5th anniversary.

Giniro is a beautifully crafted fantasy tale comprised of four chapters. It is a bittersweet story of the legendary Silver Thread which is fabled to grant any wish to its holder...

Contains omake material from NekoNeko's earlier games.