[Panty Flash! Vagina Flash! Bulging Pussy!] i was asked by my girlfriend to deliver medicine to her sick sister sumire. as i entered her room, i saw sumire sleeping with her panties visible from under her skirt. her pussy lips were clearly visible, making my cock hard. later, when i visited her house, she said, "brother, you saw my panties that day, right? here's the proof video." what?! sumire's demands kept escalating as she held my weakness over me...