Magic Kaito: Kid the Phantom Thief S01 E05 The Fated Blue Birthday

Aoko is upset because her father, Inspector Nakamori, will miss her birthday because he needs to chase Kid as Kid attempts to steal India's largest sapphire, The Blue Birthday. Kaito cheers her up by promising he'll perform a magic show at her birthday party. Kid successfully steals the Blue Birthday only to be stopped in his escape by a man named Snake who reveals that he killed Toichi Kuroba, the original Kaitou Kid, eight years ago.