retsu (retsu 3), aris (blue archive), blue archive, commentary, highres, 1girl, :d, absurdly long hair, aqua halo, black hair, black skirt, blue eyes, blue necktie, blush, breasts, bright pupils, cable, collared shirt, controller, from above, game controller, hairband, halo, handheld game console, holding, holding handheld game console, jacket, long hair, long sleeves, looking at viewer, necktie, one side up, open mouth, pleated skirt, rectangular halo, ringed eyes, shirt, sitting, skirt, small breasts, smile, solo, teeth, unworn jacket, upper teeth only, very long hair, white shirt