watanabe akio, ikoma yuuki, grisaia (series), grisaia phantom trigger, official art, translation request, 1girl, ahoge, bare shoulders, breasts, buttons, center-flap bangs, character name, character profile, closed mouth, cowboy shot, double-breasted, hair flaps, hand on own chest, hand up, large breasts, long hair, looking at viewer, neck ribbon, pencil skirt, purple eyes, purple hair, red ribbon, ribbon, school uniform, side slit, skirt, smile, solo, three sizes, two-tone vest, vest, waistcoat, watch, white background, white skirt, wristwatch