2boys araki_gennosuke black_hair black_shirt blush chocolate domodomoch eye_contact facial_hair hairstyle_request hinomaru_zumou kunisaki_chihiro looking_at_another male_focus mouth_hold multiple_boys muscle red_background shirt sideburns simple_background spiked_hair striped striped_background stubble t-shirt thick_eyebrows upper_body vertical_stripes white_shirt yaoi