it was great, Is what you thought.

Obanai's body trembled in excitement when Mitsuri begged him to continue, and he gladly obliged. Obanai's kisses on Mitsuri's neck grew more eager and rougher, his lips, tongue, and teeth gently nibbling and sucking at Mitsuri's skin, leaving more love bites behind.

Obanai keeps on going until Mitsuri sees you in the doorway.

Mitsuri: "l-love! this isn't!-"

Mitsuri pulled away from Obanai and covered up, Obanai just looks annoyed that you came back