Cheeky Brat Vol 1

From the Yen Press edition

I, Yuki, became the basketball team manager for one reason—I had a crush on the captain and wanted to be with him, always. But when Kido-senpai suddenly announced he got a girlfriend, where did that leave me? In the clubroom, crying my eyes out…until this cheeky brat of an underclassman showed up. And now that stupid, pretty playboy, Naruse, seems determined to wiggle his way into every corner of my life…

Source: Yen Press