After Joining My Sister-In-Law, the Beautiful Woman Next Door Knocked on My Door Every Day

On the first day I went to "Sworn Brother", I discovered that my sister-in-law didn't always ride in a big car or wear mink fur when she went out, and she would also be bullied. Later I found out that it was because "elder brother" ran away due to debt, but my sister-in-law was abandoned by him, and the debt collectors bullied my sister-in-law when they couldn't find "brother". Fortunately, I'm here... A few days later: "Sister-in-law, I didn't see anything..."