1boy, 1girl, blush, breasts, collarbone, comic, covered_navel, faceless, faceless_male, fate/grand_order, fate_(series), fujimaru_ritsuka_(male), greyscale, jeanne_d'arc_alter_(fate), koyuki_(kotatsu358), large_breasts, monochrome, one-piece_swimsuit, open_mouth, parted_lips, pleated_skirt, school_swimsuit, school_uniform, short_hair, skirt, speech_bubble, swimsuit, swimsuit_under_clothes, undressing