探偵★IAちゃん VS 怪盗☆ゆかりん！ (Tantei★IA-chan VS Kaitou☆Yukarin)

Background
The song is a sequel to 怪盗☆ゆかりん！ (Kaitou☆Yukarin!).

The Detective IA hunts for the famous thief Yukarin, who attempts to steal a treasure. But in the end they combine and want to stay together.