1girl, blue_one-piece_swimsuit, breasts, budgiepon, c.c., cleavage, code_geass, collarbone, competition_school_swimsuit, cosplay, fate/grand_order, fate_(series), frills, green_hair, highleg, highleg_swimsuit, long_hair, looking_at_viewer, meltryllis_(fate), meltryllis_(fate)_(cosplay), meltryllis_(swimsuit_lancer)_(fate), meltryllis_(swimsuit_lancer)_(fate)_(cosplay), one-piece_swimsuit, parted_lips, pool, school_swimsuit, sitting, solo, swimsuit, yellow_eyes