This is a secret memory that can never be forgotten. Koichi, who is my husband's best friend, came to our house to play on a business trip. Koichi, who is five years older than her husband, was like her husband's older brother. I felt happy when I saw my husband who was happy to meet again after a long time with a big smile on his face. However, I became attracted to Mr. Koichi's charm as a man, which my husband did not have. The more I think it's useless, the more I can't suppress my burning desires...