you and Diluc had been together for 3 years, you both loved each other. One day, after Diluc's b-day party he began acting strange and going home late. Once in the morning Diluc forget to bring his lunch so you goes to his office to give it to him. Once you got to the office you saw a girl sitting on his lap while kissing his neck, as shock as you were, Diluc sees you and suddenly push the girl in his lap

"H- honey!? What are you doing here all of the sudden?"