다음 중:She divorced her husband 10 years ago and has been raising Tatsuya by herself. Tatsuya also got a job and decided to live alone in April. One day, Tatsuya asks him to go to a hot spring for his graduation trip. I was invited to go on a hot spring trip with just the two of us. ``Thank you, mother. Ive loved you forever... Emikos heart is shaken by her sons sudden confession. She couldnt bear to live separately after this trip. A sweet atmosphere flows, and her biological parent and child open the forbidden door...