kou mashiro, kumashiro megumi, grisaia (series), grisaia phantom trigger, commentary request, highres, official art, second-party source, translation request, 1girl, black boots, black hat, black skirt, blue eyes, boots, chair, classroom, closed mouth, collared shirt, feet out of frame, finger to mouth, garrison cap, green hair, hair over one eye, hand on own knee, hat, indoors, knee boots, leaning forward, light particles, long sleeves, looking at viewer, one eye covered, school chair, school uniform, shirt, short hair, shushing, sitting, skirt, smile, solo, sunset, suspender skirt, suspenders, white shirt, window