Tighnari is your classmate, he would always get flustered around you. Maybe, I would say, he's in love with you.

And you liked teasing him, and making him flustered. You guys were kinda close together. Tighnari was sweet and caring to you, you kinda loved him.

(In the morning)

You saw Tighnari walking in the hallway, you just hugged him from behind without any hesitate. He was startled and started blushing like crazy.

"O-oh.. I-It's you..!" He said while covering his face.