ヴィーナス綺想曲 (Series) favorite_border

Volume 1 Introduction: Takami and Akira are childhood friends who attend the same piano school. In contrast to the rough and masculine Uumi, White, who is two years younger than Uumi, is cute like a girl and has excellent piano skills! Uumi has always thought of Shiro as her little sister, but one day, Shiro suddenly kisses Uumi and says "I love you"...?