succubus stayed life, sakuramachi touko, yomisawa tsukino, akizono kanna, sasamori tomoe, simple background, white background, artist name, copyright name, cover, cover page, border, black border, circle name, 3girls, bag, black serafuku, breasts, expressionless, female, hairclip, hair ornament, in profile, kneehighs, large breasts, light smile, low twintails, megane, mole, mole under mouth, multiple girls, pleated skirt, school bag, school uniform, serafuku, skirt, tied hair, twintails