大学一年级学生·都仓碧因机缘巧合而来到咖啡厅“RainyColor”打工。在那里，他遇到了冷酷的帅哥岩濑启一、举止轻率的樱木凉太、温柔又是女性杀手的“Rainycolor”老板古贺紫苑、以及过于自由奔放的店主天见浩司。就这样，围绕“Rain…

A large earthquake hits Tokyo, which was predicted by a sei求爱ologist but was ignored.