What is unbalance x2?

Unbalance x2 is a Korean adult visual novel game developed by Unbalance. It was first released in 2006 and gained popularity due to its unique story and erotic appeal.

The game tells the story of Jinwoo, a young man who agrees to participate in a medical experiment that transports him to an alternate universe. In this world, he meets two beautiful women, Arina and Rio, and becomes involved in a dangerous love triangle.

Unbalance x2 features various choices and branching paths that affect the story's outcome. It also includes explicit sexual content, making it suitable only for mature audiences.

The game was well-received by fans and led to several sequels and spin-off games. It was also adapted into an anime series and manga.