gao gao, kinomoto sakura, kinomoto touya, cardcaptor sakura, striped, 1990s (style), 1boy, 1girl, age difference, bed, black hair, blush, brother and sister, brown hair, censored, cheating (relationship), completely nude, fingering, green eyes, hetero, huge penis, imminent penetration, imminent vaginal, incest, loli, male pubic hair, mosaic censoring, nipples, nude, penis, pointless censoring, precum, pubic hair, pussy, pussy juice, retro artstyle, saliva, saliva trail, sex, short hair, siblings, sweat