The Big ImageBoard (TBIB) - 1girl animal aqua eyes arknights bare shoulders beret bird bird on hand black horns blonde hair blue bird blunt bangs closed mouth curled horns expressionless eyes visible through hair fingernails green bird hand on own chest hand up hat horns long hair long sleeves looking at animal looking down nightingale (arknights) ribbed sweater shouga chahan simple background sleeveless sleeveless sweater solo sweater turtleneck turtleneck sweater upper body white background white headwear white sweater