1boy, 1girl, ahoge, alternate_costume, artist_name, black_hair, black_pants, black_shirt, blue_eyes, blush, closed_mouth, comic, fate/grand_order, fate_(series), fujimaru_ritsuka_(male), grey_background, hand_in_another's_pocket, hetero, jeanne_d'arc_alter_(fate), long_hair, long_sleeves, looking_at_another, naked_shirt, omizu_(omz), open_mouth, pale_skin, pants, pocket, shirt, short_hair, short_sleeves, simple_background, smile, speech_bubble, sweat, towel, towel_around_neck, very_long_hair, white_hair, white_shirt, white_towel