4boys, ahoge, arm_support, ass, ass_focus, back, bara, black_hair, black_male_swimwear, blurry, chromatic_aberration, climbing, depth_of_field, dripping, from_behind, indoors, jammers, knee_up, leaning_forward, looking_away, male_focus, male_swimwear, motion_blur, multiple_boys, muscular, muscular_male, nikuo_(29niku), original, parted_bangs, parted_lips, pool, pool_ladder, profile, shiny_clothes, short_hair, solo_focus, thick_thighs, thighs, wading, water, water_drop, wet, wet_male_swimwear