happy birthday (artist), ryuuguu rena, higurashi no naku koro ni, 00s, 1girl, :d, ass, beret, black thighhighs, blue eyes, blush, boots, bow, cleaver, dress, female focus, from behind, hat, hatchet, holding, holding weapon, leg up, lens flare, looking at viewer, looking back, nata (tool), nature, open mouth, orange hair, outdoors, panties, pantyshot, pink panties, school uniform, serafuku, short hair, smile, solo, standing, striped clothes, striped panties, thigh gap, thighhighs, thighs, tree, underwear, weapon