Yu-Gi-Oh! Duel Monsters S01 E125 The Darkness Returns (1)

"It's time to duel!"

Marik ensnares Jonouchi in a Shadow Game where each duelist’s heart is linked with his monsters... literally! Every time a monster received damage, the duelist feels the pain instead! Can Jonouchi survive, much less win, a duel where he’s actually losing life points?