The flower season and the rainy season bring reality.
Yan Shen, a young boy who was despised by dogs, got a "sister" one winter night. From then on, he was like a sister Lin falling from the sky. He walked through his teenage years in a state of turmoil. After he ended his chuunibyou, he realized that he had brought up his sister in a ignorant and extremely sad way. Then what? Yan Shen didn't know anymore. Only then did he realize that he was extremely in love with the sister he raised by himself. So tell her or tell her? So how can the brother who is in middle school and dotes on his sister continue to accompany her? This article involves a two-way secret love, teenage years, a part of reality, and a small reunion.