18-gou_(vtuber), 1girl, o, black_skirt, book, breasts, brown_hair, chalkboard, cleavage, collarbone, desk, grey_shirt, holding, holding_book, indie_virtual_youtuber, jacket, jewelry, large_breasts, long_bangs, long_hair, looking_down, necklace, parted_bangs, pencil_skirt, purple_jacket, sandal_master, shirt, sitting, skirt, smile, solo, teacher, virtual_youtuber