Voiced by: Nakamura Yuuichi (Drama CD)

A first-year high school student who is part of the archery club though he does not attend practice very often. On Mondays, he will go out with the first person who confesses to him first. However, at the end of the week, he will say: "I couldn't fall in love with you. Let's break up." Although he abruptly ends relationships like that, he retains his popularity because he will earnestly devote himself to his partner of the week.

He used to like Shino, his brother's (ex-)girlfriend, but is also happy for the two of them.

After the one week they date he falls in love with Yuzuru.

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