enkyo yuuichirou, arona (blue archive), black suit (blue archive), female sensei (blue archive), sensei (blue archive), blue archive, absurdres, highres, 1girl, 2boys, black gloves, black hair, black jacket, black necktie, black shirt, blue-framed eyewear, blue hair, blue necktie, blue shirt, collared shirt, glasses, gloves, hair between eyes, headpat, holding, jacket, long hair, multicolored hair, multiple boys, necktie, pink eyes, purple eyes, sailor collar, school uniform, semi-rimless eyewear, serafuku, shirt, simple background, streaked hair, under-rim eyewear, watermark, wavy mouth, white background, white jacket, white sailor collar, white shirt