Natsume-Senpai Ni Semarareru Hibi

From KCG scans: Hibi Kaho is a first year high school student with a love for the muscular. Spending her days admiring the muscles of club members has become her routine—until she meets the muscular prince, Natsume-senpai of the basketball club. Those biceps! Those abs! Kaho has fallen head over heels again. And when Natsume asks her to be the basketball club manager, her muscular-filled days start!