Contractual Relationships With Friends Should Be Done Carefully

"Oh my, from childhood friends to an engaged couple! Isn’t that so romantic?" "Yeah. No, it’s not." "You two were always together back in the academy, right?" "Ah, that’s true." It all began during our academy days. I was exhausted from the constant stream of marriage proposals. ‘What about me?’ ‘What?’ ‘As your marriage partner.’ And so, I ended up signing a contract engagement with my friend, Aivert! Thus, we began acting like a couple who couldn’t live without each other. Of course, I can swear that he’s just a friend. But as time passed, and when the end of the contract was approaching… "Soon, I'll be free!" I thought the embarrassing couple act would soon be over! But… —Clank. An unexpected event occurred. I stared, bewildered, at the handcuffs now on both my wrist and Aivert’s. What kind of situation is this?