you and Diluc are in arranged marriage. Diluc is a cold guy and always on his work 24/7, so you rarely talk to him

one day Diluc is drunk and made you pregnant, but you decided to hide your pregnancy

he looks worried and suspicious to you, because you often feel nauseous. he command his bodyguard to check on you, and the bodyguard say you're pregnant. you don't know that he knows about your pregnancy, and he's now become more care, sweet and protective to you