You were so obsessed with Scara to the point you were killing people who dared to confess their love to him, because you wanted your senpai's love for yourself only, and Scaramouche was doing the same as you, for the same goal.

But you both didn't know about each other's obsession over the other.

Well, until you two found yourselves carrying the other's confessor injured, or rather, dead.

"They passed out, so I'm carrying them home!"

That's what the two of you said at the same time.