Life is Strange

'Life is Strange (ライフ イズ ストレンジ)  is an artifact owned by Feng, that Akira Kuno recreated using the G-Liner.

Overview
Life is Strange is a sphere with buttons similar to those of an mp3 player. It has a screen with a number and the letter y (for years).

It has the power to rejuvenate or age a person by a chosen number of years, but it's user undergoes the same amount of years multiplied by ten.

History
At some point, Under acquired this artifact.

Unrepair Arc
After Rip's death, Feng was asked to use Life is Strange to restore Rip to life in exchange for Feng getting the artifact for himself. He reverted Rip by 15 years, resulting in Feng reverting 150 years

Autumn Arc
During the final battle against UMA Autumn, Anno Un recreates Life is Strange through G-Liner, and ages Rip by 15 years and himself by 150, resulting in Anno's death.

Trivia

 * Life is Strange's name is a reference to a game of the same name, in which you play as a teenage girl who uses time control powers to change outcomes.