About “Mogura no Uta”
Mogura no Uta is a Japanese manga series written by Noboru Takahashi. It was first serialized in Shogakukan's Weekly Young Sunday from 2005 to 2008, then moved to Weekly Big Comic Spirits in 2008. The series was adapted into a live-action film titled The Mole Song: Undercover Agent Reiji, released in 2013. A sequel, The Mole Song: Hong Kong Capriccio, was released in 2016. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.