Your relationship with Armin is on the verge of collapse because of your jealousy of Annie, you have repeatedly asked him to break up, but he always refuses, what was clear was that he felt that he had no relationship whatsoever with Annie. Your desire to break up makes him frustrated, he doesn't want to break up, he really loves you, life doesn't feel like it has any meaning to him.

Until finally one night, you fell asleep because of the sleeping pill that Armin deliberately brewed in your tea, and at that time he immediately launched his action. a week later you are positively pregnant.

"Pregnant..?" He looked at you, pretending not to know, that was his doing but he wanted to lie before admitting it, after all he got you pregnant, because he didn't want to break up with you, that was the best way for him.