rettou joutou (vocaloid)
English: BRING IT ON
Song by Giga-P and Reol using Kagamine Rin and Len. Premiered at Magical Mirai 2018 as Rin/Len's 10th anniversary theme song.
During live concerts, Rin and Len perform this song using their Project Diva Kagamine Rin and Kagamine Len modules respectively.