Traveled through time? !
Well, Hengtama, who thought that he would be safe now, suddenly discovered that his younger brother was actually Seiichi Yukimura, who was known as the Son of God in The Prince of Tennis.
Injury, need to be raised, beautiful brother, need to be protected, tennis match... Yukimura Hengtama doesn't know... Just because he has practiced tennis since he was a child, it evolved into studying in the United States...