↑人生ゲーム↓ (↑Jinsei Game↓)

Background
The song was uploaded onto Nico Nico Douga on Febuary 2, 2011. The song later got popular and it made Aota Nina more well known. It also has more than 415,000 views.

The song is about Miku living twelve different lifes and calling her experiences a "game", thus the title "Game of Life".