1girl anchor_symbol arms_at_sides backpack bag behind_back black_hat black_legwear black_skirt blue_eyes brown_shoes core_(mayomayo) flat_cap from_side full_body hat hibiki_(kantai_collection) kantai_collection loafers long_hair long_sleeves messy_hair number pantyhose pleated_skirt profile roman_numerals sailor_collar school_bag school_uniform serafuku shoes silver_hair skirt solo walking