1boy, alternate_costume, azit_(down), beach, blue_hair, coconut_cup, drinking_straw, kamishiro_rui, male_focus, male_swimwear, multicolored_hair, muscular, muscular_male, ocean, open_clothes, open_mouth, open_shirt, outdoors, print_shirt, project_sekai, purple_hair, shirt, short_hair, short_sleeves, solo_focus, swim_trunks, two-tone_hair, yellow_eyes