[Teacher Ju Character Crossover Fanfic] Mianmian's Journey Home

Big Brother promised to take Mianmian home, but we got lost along the way, and I got separated from him again. What should I do? Well, look for him. Look and look for Big Brother, find a good Big Brother, bow and shake hands, only to discover you're not my brother. (My sister-in-law isn't a woman!) Look and look for Big Brother, find a good Big Brother, white brother, black brother, make sure you're not my brother. (My brother doesn't have a split personality!) Look and look for Big Brother, find a good Big Brother, you look like him from the front and the side. No matter how I look at you, you seem like my brother. (Are you my brother or not?!?) Theme: