2girls bare arms bare shoulders bikini bird black choker black hair blue sky breasts choker cleavage commentary request day dot nose dual persona highres honkai (series) honkai star rail koya (koyacocoa) long hair looking at viewer medium breasts multiple girls navel outdoors purple eyes red bikini seagull sky solo focus sparkle (honkai star rail) sparxie (honkai star rail) stomach summer sun sunlight swimsuit tongue tongue out twintails very long hair wading white bikini white hair