Yamabuki Yuzi, a Chinese-Japanese boy with a girl-like name, gave up studying in high school in China for some reasons and went to Japan to study in his freshman year of high school. By chance, I transferred to Iwatobi High School in my second year of high school and somehow joined the swimming club.
The protagonist in the main text most likely has no cp, and the extra cp is kissme.
Concept: Zhenyao, Zonglin, Reizhu, brother and sister-in-law balabala are real!