mercedes von martritz and male byleth (fire emblem and 2 more) drawn by rotomdocs

1boy 1girl ;) absurdres artist_name bare_arms bare_shoulders beach bikini black_bikini blue_eyes blue_jacket blue_sky blue_swim_trunks border breasts cleavage cloud collarbone commentary commission cowboy_shot crest_of_flames english_commentary fire_emblem fire_emblem:three_houses fire_emblem_heroes frills front-tie_bikini_top front-tie_top green_eyes green_hair hair_between_eyes hair_over_shoulder hand_on_another's_shoulder heart heart_hands heart_hands_duo highres jacket ko-fi_commission large_breasts light_blush looking_at_viewer male_byleth(awakened)(fire_emblem) male_byleth(fire_emblem) male_swimwear mercedes_von_martritz mercedes_von_martritz_(summer) mercedes_von_martritz_(timeskip) muscular muscular_male navel ocean official_alternate_costume official_alternate_eye_color official_alternate_hair_color one_eye_closed open_clothes open_jacket outdoors parted_hair rotomdocs sarong second-party_source see-through_clothes see-through_sarong short-sleeved_jacket short_hair short_sleeves signature sky smile standing stomach swim_trunks swimsuit thighs white_border