A sound rang out. My breath grew deep, and colors awakened all around. Beautiful moments pass in a flash, so fleeting, so boldly they slip away.

Two college best friends, Mitsuki and Umi, sneak out of a party and head to a public bathhouse. In that intimate moment, Umi openly shares her love life, unaware of Mitsuki’s feelings for her. Struggling to contain her emotions, Mitsuki decides to confront her feelings for Umi.