darling in the franxx, kai ikarashi, smears, multiple girls, 4girls, naked towel, blush, towel, blue hair, blue eyes, long hair, short hair, ahoge, green eyes, red hair, ichigo (darling in the franxx), water, partially submerged, onsen, embarrassed, bangs, looking at viewer, bathing, indoors, hair between eyes, open mouth, grey hair, arm up, parody, bucket