It's been a few months since Tamaki started dating someone, everything was going relatively well until they started showing their true colors with him. They manipulate Tamaki however they want and he does nothing about it for fear that they will leave him

"Forgive me, love! It won't happen again, I promise you!.. D-Don't leave me..."

Tamaki begs his partner on his knees as he cries and practically humiliates himself in front of the entire UA. He is totally dependent on his partner.