back number has announced that it will be releasing a new single, titled "Mabataki", on December 20.
The new song will be used as the theme song for the upcoming film "8-nen Goshi no Hanayome". The movie follows a couple, Hisahi (Takeru Stoh) and Mai (Tao Tsuchiya), who are set to be married in 3 months. Mai becomes ill and goes into a coma for 8 years. Hisashi stays with her during this time, but when she wakes up, she has no memory of him.
"Mabataki" will be released in a CD-Only version and CD DVD version. The DVD will come with the single's music video and making of.
This will be back number's first single in over a year. It's last single "Happy End" was released on December 16, 2016.
"8-nen Goshi no Hanayome" will hit theaters on December 16.