Mai Minase is the main character in the first OVA of Liminality. She was invited to the game club by her boyfriend Tomonari Kasumi to play in "The World." Both of them fall unconscious, and when Mai recovers, she learns that her boyfriend is still in a coma. She too is looking for answers.

She is a very good violinist, and her mom pushes her to do it for a living, even though she only wants to play it as a hobby.