baka to test to shoukanjuu
shimada minami, yoshii akihisa
1girl, arms behind head, arms up, bdsm, bikini, black bikini, blush, bondage, bound, breasts, brown hair, checkered floor, embarrassed, feet, green eyes, inflatable raft, lying, micro bikini, on back, open mouth, perspective, ponytail, pool, pool ladder, purple hair, refraction, ribbon, ripples, short ponytail, small breasts, solo focus, starting block, swimsuit, tail, wet
jpeg artifacts, photoshop (medium)