1girl, blue_eyes, blue_one-piece_swimsuit, casual_one-piece_swimsuit, covered_navel, fate/extra, fate/extra_ccc, fate/grand_order, fate_(series), hair_ribbon, knee_spikes, long_hair, meltryllis_(fate), meltryllis_(swimsuit_lancer)_(fate), meltryllis_(swimsuit_lancer)_(second_ascension)_(fate), meltryllis_(third_ascension)_(fate), multiple_views, navel, ocean, one-piece_swimsuit, purple_hair, ribbon, sitting, sleeves_past_fingers, sleeves_past_wrists, smile, swimsuit, underwater, very_long_hair, yagi_(yagi5art)