On a rainy spring day, high school freshman Midori Saezima witnesses a charming classmate rescuing a stray kitten, unknowingly sparking a deep infatuation. Absent due to illness, Midori returns post-summer break to an unexpected role as a student council nominee. Through a string of clumsy mishaps, both she and her enigmatic crush, Akira Sudo, secure spots on the council. As pioneers of their school's inaugural student council, they embark on shaping fresh customs for their institution while unraveling a tender yet complex romance of their own.