Aoi Shiro - Aoi Shiro no EnbukyokuAoi Shiro - Aoi Shiro no Rondo; Aoi Shiro - Waltz of the Blue Castle; Aoi Shiro no Waltz; Вальс Синего замка; アオイシロ－青い城の円舞曲

Akita Momoko who entered Seijou Girls Academy is staying in the dorms. Her roommate is Aizawa Yasumi and Momoko is drawn to her, but Yasumi is searching for a different girl. Who is that girl…and what will become of Momoko’s feelings…!? Based on the PS2 game Aoishiro and serialized in Yurihime, this story which takes place before the game has finally appeared.