Rule 34 Dev - 1boy arm_up ball black_shirt black_shorts black_socks blue_background blue_eyes blue_footwear blue_hair blue_lock collared_shirt full_body highres isagi_yoichi male_focus red_shirt riki_(rikixriki07) running shirt shoes short_hair shorts soccer_ball soccer_uniform socks solo sportswear two-tone_shirt|19362690126