arm_at_side armband black_hair black_shoes blouse blue_sailor_collar blue_skirt cellphone closed_mouth expressionless full_body gradient gradient_background green_eyes holding holding_phone kilart kneeling lips loafers long_hair looking_at_viewer neckerchief nose original phone pleated_skirt pocket red_neckerchief sailor_collar school_uniform serafuku shoes skirt smartphone standing straight_hair white_blouse