Kotoshi Okotta Koto (What Happened This Year) {KAK U NAS BYLO VO • Whose Song?

Kotoshi Okotta Koto (What Happened This Year) {KAK U NAS BYLO VO
is a song by
Geinoh Yamashirogumi
it was released on
Chi no Hibiki ~ Higashi YU-ROPPU wo Utau (Echoes of the Earth ~