1boy, 1girl, bikini, blank stare, brown eyes, brown hair, closed mouth, expressionless, eyebrows hidden by hair, holding another's wrist, kagawa rin, looking at another, muscular, navel, official art, short hair, side-tie bikini bottom, soredemo ayumu wa yosetekuru, staring, swimsuit, tanaka ayumu, thick eyebrows, yamamoto souichirou