masterpiece,best quality,amazing quality, solo, 1girl, galgame cg, beautiful girl, Ouka Hoshizaki, blue eyes, purple hair, long hair, low twintails, hair ribbon, ahoge, shiny hair, shiny skin, (large breasts:1.2), blush, smile, voluptuous, school uniform, serafuku, white impossible shirts, short sleeved, ribbon tie, black underbust, black skirt, black thighhighs, zettai ryouiki,