Ha wo Kuishibare! / Charming Shoubu Sedai (歯をくいしばれっっ！/チャーミング勝負世代) the official english translation being Let my teeth clenched / Charming generation is the tenth single released by Kikkawa Yuu. It is set to be released on June 1, 2016. It is released in 3 editions, a regular and 2 limited.