art by nyantcha, 1girl, byleth (fire emblem), dimitri alexandre blaiddyd, 1boy, penis, official alternate costume, hetero, byleth (fire emblem) (female), sex, cervix, cross-section, uncensored, breasts, hair flower, cum, swimsuit, knife, flower, bikini, hair ornament, blonde hair, large breasts, dagger, uterus, cum in pussy, black bikini, ejaculation, vaginal, blue eyes, clothed sex, teeth, internal cumshot, reverse upright straddle, clenched teeth, clothing aside, blue hair, ass, pussy, cleavage, weapon, cum in ass, sitting, anus, sheathed, anal, sheath, deep penetration, hibiscus, straddling, bikini bottom aside, hair between eyes, cape, sex from behind, sitting on person, medium hair, shaded face, navel, blue cape, empty eyes, short hair, sitting on lap, chain, fur trim, parted lips, alternate costume, capelet, overflow