What's the name of this cartoon character?

Free! The second season is being updated. )

In primary school, four members of the swimming club won the championship at the conference before graduation, left unforgettable memories and then parted ways.

A leisurely high school student (CV) suddenly met his partner Song (CV) in the primary school swimming club. Jeremy Lin held a grudge and challenged Yao. As a result, Jeremy Lin was defeated by Yao with an overwhelming advantage. Taking this opportunity, Yao decided to regroup with his high school classmates (and), and established the swimming department of Yanyan Middle School in conjunction with the new member () and the manager (). The male high school students who are full of jumping have started this story about swimming, youth and fetters.