It was only supposed to be a game. A fun way to pass the time. Maybe even make friends. How was Tsuna supposed to know Jumanji had a mind of its own, or that 'survival game' was very literal?

Xanxus doesn't put it all together at first. He's too focused on protecting his family from the spawn of Iemitsu. But then Squallo saves the Rain brat, and Xanxus takes a second look.