Chiisana Hana, Koi Tsunagu

Takimoto Minori is a cheerful and popular boy who really loves his younger sister, Wakana. Recently, he has been in a frenzy looking for a limited edition toy of his sister's favourite character.

One day, someone presented to him the toy and that person is Imamura Tatsuya, someone from the advanced class who he shouldn't have had contact with before.

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However, it seems that Tatsuya is actually a staff at the convenience store which Minori has been stopping by at every day in his search for the toy. Later after school, Minori dragged Tatsuya away insisting that Tatsuya give the toy to his sister in person.

A quiet and awkward boy and a cheerful boy who is crazy about his sister. A relationship that is beyond friendship but not quite romantic. Will their relationship develop into something more?