Swirling Tiger
Masaru determines that overcoming his own weakness is the only way he will escape from his uncle Zenji. He comes face to face once more with his would-be assassin Ashihana, but chooses not to run and makes Ashihana a counter-offer to work for him instead. While attempting to rescue Masaru, Narumi and Shirogane are themselves captured by Zenji’s puppeteers and seem to have no way out... Source: Amazon
Aired 01/11/2018EP 4 - Swirling Tiger

Karakuri Circus
The protagonist, Masaru, has just inherited a big fortune after the death of his father. However, people are trying to get their hands on it by any means necessary, even if it means killing him. Narumi helped Masaru from being kidnapped after fighting some weird guys. He found out that they're not humans but wooden puppets with amazing strength. After a hard fight, Narumi was forced to admit that he's no opponent for them; and just when he started to think that Masaru would be captured, Shirogane, Masaru's watcher arrives from France with a weapon, the puppet Arlequin. Here, begins the story of Karakuri Circus.