That's Your Niece, Not Your Wife!

【One Female Lead + Light School Romance + Everyday Life + ...】 Xu Ze, a lazy freeloader who leeches off his older brother, is suddenly asked by his brother to look after a niece who isn't actually related to him by blood. Wait, you want me to look after a niece I'm not even related to?! What a hassle. I don't want to! But under his older brother's threats, he has no choice but to take care of his niece, who's six years younger than him. At first: “Ahhh... My dear auntie, please spare me! I just want to laze around!!!” Later: “My dear auntie, what else do you want? Just say the word, and your boyfriend will take care of it!” Su Qingxue thought for a moment, then took out the household registration booklet she'd stolen from her father's room. “Can you manage to get a marriage certificate with me?” The ending was wonderfully happy, except at their wedding, Su Qingxue's father, Su Xu, saw his daughter's husband: his best friend and sworn brother, Xu Ze's older brother. His anger hit the roof. “I treated you like a brother, and you let your little brother go after my daughter?!”