Rule 34 Dev - blue_hair blush closed_eyes closed_mouth dress hair_between_eyes hair_bun happy_birthday highres holding long_hair long_sleeves looking_at_viewer neckerchief oogaki_chiaki purple_eyes sailor_collar saitou_ena school_uniform serafuku shima_rin single_hair_bun skirt smile yas_(yosiyasuyasu) yurucamp|23940880821