haamon (harmon), koyuki (blue archive), blue archive, highres, + +, 1girl, alternate costume, blush, bow, checkered clothes, checkered kimono, flower, hair between eyes, hair bow, hair flower, hair ornament, halo, holding, holding fireworks, japanese clothes, kimono, long hair, night, night sky, obi, ocean, one eye closed, open mouth, pink eyes, pink flower, pink hair, pink halo, purple bow, purple sash, sash, sidelocks, sky, solo, twintails, white flower, white kimono