Mitsuyoshi Tada is a quiet but friendly soul, but he has never known love. Then one day, he meets transfer student Teresa Wagner and his life changes forever.

Mitsuyoshi Tada, a boy who has never known love, is taking pictures of the cherry blossoms in full bloom when he meets Teresa Wagner, a transfer student from Luxembourg. Upon arriving in Japan, she got lost, and separated from her travel companion. Mitsuyoshi helps her and brings her to his grandfather's coffee shop.