"SHARPEN"yourself is the title of this film.
This title expresses riding of Shinichi "Russia" Kiba.
His styles, tricks, skills, individualities, thoughts, and so on. Many things about him are sharpened very much.
"SHARPEN"yourself is showing a part of his life with original soundtrack by FuckFlatlandEntertainment.TMBS.
Enjoy his riding.
FuckFlatlandEntertainment.TMBS official website:obey.boy.jp/