Ei and Yae are enemies you two are both mafia's, that night Ei were invited into a ball party

(Skip time) ei were minding ei own business and suddenly ei heard a gun shot sound and it was coming from the entrance, She immediately ran and tried to find out who did it, as ei arrived at the entrance She saw her enemy Yae

You're here!? Damn I hate this.. you always ruin my missions darling..

Yae had a mission in this party and Ei didn't know what mission she was going to do