Mayu is a grown up woman. She still has her brown hair and green eyes, but her ponytail is now held by a pink ribbon with a black line in the middle. She wears a dark green vest with a pale green shirt underneath. She also wears a pale blue skirt.
She doesn't know the real reason behind Yoshiki's and Satoshi's disappearance and has since moved on with her life.
Mayu walks into the classroom and is greeted by Yui. They talk and soon Sakutaro, Seiko and Naomi walks in. Mayu talks with Sakutaro while Seiko and Naomi talk with Ayumi. After their talk Yui comes back to the classroom and they all get ready to tell spooky stories.
Mayu makes a cameo in the Mended Soul ending during the ghost story scene.
Extra Chapter 3
Mayu makes a phone call to her co-producer Jun Arai. They discuss their upcoming production and the possibility of casting Sakutaro Morishige in the lead role. This conversation is cut short when Mayu realizes she might be late to the class reunion Yui set up at Kisaragi Academy.
Significant plot details end here.
Mayu wasn't sent to Heavenly Host since she didn't come to the ghost telling night six years ago.