Also known as: 下剋上(完), 하극상(완결)
Full title: Gekokujou (Kan)
English: Juniors dominating seniors (END)
A Vocaloid duet song by Ichigyou-P (一行P) featuring Kagamine Rin and Kagamine Len, a rap about how Miku has had too much time in the spotlight and it is time to overthrow her and claim her position.
Not to be confused with Gekokujou (Cevio).