watanabe akio, shishigaya touka, grisaia (series), grisaia phantom trigger, official art, translation request, 1girl, ascot, biting coin, black shirt, black thighhighs, blood type, blue ascot, blue vest, buttons, character name, character profile, coin, double-breasted, earrings, grey hair, holding, holding coin, invisible chair, jewelry, long hair, long sleeves, looking at viewer, miniskirt, multiple views, parted lips, pink thighhighs, pleated skirt, school uniform, shirt, single sleeve past wrist, single thighhigh, sitting, skirt, striped clothes, striped thighhighs, stud earrings, thighhighs, three sizes, turtleneck, turtleneck shirt, undershirt, very long hair, vest, waistcoat, white shirt, white skirt, yellow eyes