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