Def Will

 (デフ・ウィル) was a Japanese girl group formed on November 15, 2015.

They disbanded in 2018 after the release of their first album because of the retirement of their producer, Komuro Tetsuya.

Their original songs were all written and produced by Komuro, and the rap lyrics and rap were supervised by Zeebra. Def Will is a slang that shortens "Definitely, we will" and has the meaning of "doing something absolutely" and "to fulfill a promise".

Final Line-Up

 * Hina (currently member of FAKY)
 * Lety (currently member of BananaLemon)
 * Monna (currently participating in Produce Camp 2020; Monna's page)
 * Rei (Leader)
 * Ayano

Album

 * [2018.06.27] Def Will

Digital Singles

 * [2016.07.02] Lovely Day
 * [2017.02.08] Winding Road
 * [2017.03.14] Anata to Iu Ashita