6+girls ahoge arm_up bag bird birthday_cake blue_hair bridge cake character_name dated dropping food happy_birthday highres kurosawa_dia kurosawa_ruby lamppost long_hair love_live! love_live!_sunshine!! matsuura_kanan multiple_girls night ohara_mari outdoors radio_antenna regition road sakurauchi_riko school_bag side_bun standing street takami_chika tsushima_yoshiko twintails walking watanabe_you