君の彼女 (Kimi no Kanojo)

Background
"Round off the Square Earth" is an original song by Nishizawasan-P. It was written for the SNOW MIKU 2018 winter festival, 2018's "Sapporo Snow Festival" in Hokkaido, which took place from Feb. 5 to Feb. 12.

This song has entered the Hall of Fame It is featured on the album KARENT presents 雪あかりの夜想曲 feat. 初音ミク.