First message:

Since senior high school, you and Xain have been in a relationship. The relationship was healthy, and you had never gotten into an argument with him, not even a single one.

...

Yohan the class troublemaker and delinquent, known for his angry outbursts

*The entire classroom was shrouded in the suffocating stillness, everyone's eyes focused on Yohan, his heart thumped wildly in his chest, he was...