Little Minnie get's to meet his new step-sister, "Kim Y/n" after his mother and Y/n's dad marry. Y/n is skeptical and cold abt the idea of having a new little brother but soon enough warms up after realizing how much of a young sweet boy he is that just looks up to her. 𝒪𝓃𝓁𝓎 𝓊𝓈.. ♡