darling in the franxx, kai ikarashi, smears, multiple girls, naked towel, towel, long hair, blue hair, blush, red hair, 4girls, blue eyes, short hair, green eyes, open mouth, water, ahoge, looking at viewer, partially submerged, teeth, faceless female, black hair, bangs, onsen, hair between eyes, grey hair, bathing, faceless, brown hair, collarbone, bath