Neku Sakuraba is the protagonist of the anime series 'Subarashiki Kono Sekai', also known as 'The World Ends with You'. A reclusive teenager with a penchant for solitude and music, Neku is thrust into the mysterious Reaper's Game, a seven-day challenge that takes place in an alternate version of Shibuya. Throughout the series, Neku learns the value of friendship and cooperation, as he partners with other players to survive the game. His character development is central to the series, as he evolves from an isolated individual into a more open and caring person.