blue archive chibi style, koyuki \(blue archive\), 1girl, explosion, blue necktie, crying, solo, pink hair, halo, twintails, skin fang, blush stickers, long hair, necktie, open mouth, closed eyes, white jacket, tears, streaming tears, fang, covering own ears, long sleeves, shirt, jacket, white shirt, blurry, thick eyebrows, collared shirt, short eyebrows, hands on own head, hair between eyes, photo background, blurry background, white coat, upper body, backlighting,,,,