A record of how she lost time and made love with her childhood friend, who had become a married woman for the three days she returned to her hometown.

Around the end of New Year, my father called me to go home out of season. After receiving the announcement of his remarriage, he walks around the nearby park, looking for a hotel to stay at, and meets Airi, a senior student from his school days. He was excited to meet his first love, but was shocked to find out he had married his boyfriend from his school days. When Airi told me that his parents had no place to live because of their parents' remarriage, he said he should stay at us. He refused many times because it was bad, but he was forced to push himself through and ended up staying at Airi's house...