Den Ace Collection

Alvin, Simon, Theodore have been living with, and annoying, Dave Seville for about 8 years now. Now they discover that Dave has a girlfriend and worry that he'll dump them for her. To save their relationship with Dave, the Chipmunks must find a way to stop him from proposing.

The Owner of Denliner has established a detective agency called Denliner Police to catch an Imagin that stole a spare Den-O pass from him. Ryotaro and the company find that the Imagin has built a crime syndicate with human criminals. Detective Suzuki joins them, and they investigate the syndicate together.

Enter the Dragon revolves around 3 main characters; Lee, a man recruited by an agency to investigate a tournament hosted by Han, since they believe he has an Opium trade there. Roper and Williams are former army buddies since Vietnam and they enter the tournament due to different problems that they have. It's a deadly tournament they will enter on an island.