1boy, arknights, black background, blue theme, boots, capelet, character name, closed mouth, evolution, holding, holding umbrella, horns, jellyfish, looking at viewer, mizuki (arknights), monochrome, nethersea spewer (arknights), pantyhose, sailor collar, seaborn (arknights), short hair with long locks, shorts, skeleton, smile, spikes, tentacles, umbrella, walking, wed (lim38869577)