darling in the franxx, kai ikarashi, smears, multiple girls, naked towel, towel, 4girls, blush, long hair, blue eyes, blue hair, red hair, green eyes, short hair, open mouth, ahoge, teeth, water, partially submerged, faceless, faceless female, sharp teeth, hair between eyes, bathing, no eyes, indoors, bangs, onsen, embarrassed, black hair, bath, grey hair, looking at viewer, parody