Years ago, Mei Mei along with Utahime are on a mission when they are trapped within a spirit's barrier. As Mei Mei and Utahime discuss what to do, Gojo, Getou, and Shoko show up and free the two from the barrier along with exorcising the spirit. After being freed from the barrier, Mei Mei asks them were the screen is. After the mission is complete, Mei Mei and Utahime head back to the college.
Goodwill Event Arc Edit
Mei Mei watch the Goodwill event along with the other faculty. While watching the event, Mei Mei notices how strong Mai is and wonders why she had not been promoted which Gojo tells her that Mai's family is getting in the way of Mai's promotion. Gojo then brings up how he can't see Yuji's fight, which Mei Mei give him a simple excuse.
When intruders invade the event, Mei Mei is told to locate where all the students are at while others go handle the intruders. After the invasion, Mei Mei attends a meeting with the other faculty, where they are informed casualties they have sustained and what was stolen. After the Goodwill Event if finished, Mei Mei heads back to Kyoto with the other faculty and students.
The Origin of Obedience Arc Edit
Days later, Mei Mei checks her bank account and sees that Gojo has deposited 10 million into her account. Later, Mei Mei and Aoi meeting with principal Yoshinobu in order to promote Maki and Panda to grade 1 shamans. Later Mei Mei plays a game of tabletop tennis with Aoi. As Aoi voices how he will be able to join Yuji on his mission, Mei Mei tells Aoi that the person who nominated a person can't accompany the nominee on missions. After telling Aoi this, Mei Mei leaves.
- Mei Mei ranked 47th place in the manga's 1st Character Popularity Poll with 163 votes.