- "Oshin" is based on the NHK drama series "Oshin," which ran from April 4, 1983 to March 31, 1984.
- Child actress Kokone Hamada was selected to play Oshin Tanimura after auditioning among 2471 other candidates.
- Filming began February 8, 2013 in Shonai Movie Village and Tsuruoka in Yamagata Prefecture and finished April 3, 2013.
flumpool will be celebrating their 5th anniversary on October 1st. To commemorate this occasion, the band will release a new single titled "Tsuyoku Hakanaku / Belief ~Haru wo Matsu Kimi e~" on October 2nd.
"Tsuyoku Hakanaku" is a new song that is said to present what's to come for the band. Meanwhile, "Belief ~Haru wo Matsu Kimi e~" is a collaboration song with Mayday, and it will be used as the theme song for the movie 'Oshin'.
In order to write "Belief ~Haru wo Matsu Kimi e~", Yamamura Ryuta (Vo) read the movie's script. He was deeply moved by the protagonist's will to live.