Yūta Takemoto, Takumi Mayama and Shinobu Morita are three young men who live in the same apartment complex and are students at an art college in Tokyo.One day, one of the art professors, Shūji Hanamoto, introduces his cousin's daughter, Hagumi Hanamoto, who has come to live with him and is a first year at the art school. Upon introduction, Takemoto and Morita fall in love with her. Morita expresses his love for Hagu in ways that scare her, especially calling Hagu 'mousey' and constantly photographing her, while Takemoto hides his feelings and tries to be a friend to Hagu. Hagu herself, though initially timid and afraid of company, gradually warms up to the three.
纯朴的美术大学生本竹本(樱井翔 饰),对艺术天才小育(苍井优 饰)一见锺情坠入情网却不自知。竹本的室友森田(伊势谷友介 饰)也爱上小育,三人未察觉彼此心意…。同时,外表看似冷漠而内心温柔的真山(加濑亮 饰)对建筑设计师理花爱慕不已,真山又逐渐意识到义无反顾爱着自己的山田(関惠美 饰)。以美术大学为舞台,五段交错的苦涩单恋,一段段动人青春璀璨爱情故事即将展开…矛盾中流动着温柔透明得让人心痛的恋爱气息、交叉着描绘你我曾有过或是正在其中的青春闪耀岁月校园生活,歌咏礼讚青春岁月。