She kindly helped her roommates purchase premium daily necessities from abroad, charging only cost price and even paying out of pocket for shipping fees, only to be falsely accused of "making a profit on the price difference". After an argument triggered by a "free alternative", she took back all her things and drew a clear line completely. She thought she was just saying goodbye to a miserable shared rental life, but she didn't expect that the chain reaction of greed and shortsightedness had just begun. Fate has already marked a price tag for all the cheap things obtained through greed.