Reborn! –Episode 32 "A Shark in the Public Pool"

Tsuna need to swim 15m in school, but he didn't know how to swim!

So, he is trained by Yamamoto, Gokudera and Haru in the public pool. Unfortunately, everyone has his own method, and they decide to compete to see who can get Tsuna to swim the furthest.

Reborn had tried his best to interfere this time with a "Vongola dolphin", which is more vicious than shark to train Tsuna's swimming ability...