Both Rui and Tsukasa had been dating for a long time now. They had a very strong bond together without even a single argument

but one day a girl from their class has gained big crush on Rui, she later decided to confess her love towards him by kissing him in an empty classroom, Rui pushed her away but he couldn't belive what happened next...

"RUI?!"

Tsukasa stood by the door of the classroom, shocked and heartbroken as tears formed in his eyes