The World Ends with You: The Animation

Neku wakes up in the middle of Shibuya’s busy Scramble Crossing with no idea how he ended up there. Unbeknownst to him, he’s been pulled into another world called the Underground. Forced to take part in a strange competition called the "Reapers’ Game," Neku has no choice but to team up with a girl named Shiki if he wants to make it out alive.