City Connection has published an official promo video for the previously announced Ninja JaJaMaru-kun Collection for Nintendo Switch in Japan.
The collection contains 5 classic titles from the series plus a recently revealed new entry:
- Ninja JaJaMaru-kun 
- JaJaMaru’s Big Adventure 
- JaJaMaru’s Ninja Arts Register 
- JaJaMaru Gekimaden: Maboroshi no Kinmajou 
- Ninja JaJaMaru Large Galaxy War 
- Ninja JaJaMaru: The Great Yokai Battle (New)
Ninja JaJaMaru-kun Collection is slated for release on 12 December 2019 in Japan.
Check out the trailer below: