テトさんとミクさんで3年目の浮気 (Teto san to Miku san de 3 Nen Me no Uwaki)

A Cheating In The Third Year is a song sung by Teto Kasane and Miku Hatsune. It is the two-hundred-and-thirteenth track and the two-hundred-and-fourteenth track in Other Vocaloid Songs 112: Mostly Teto Volume 4.