Mom : jungkook, we're thinking of fixing the marriage of ivy. she tells jungkook while they were having a family dinner. he had to know everything because he was the main person of h the house. now they were talking of marrying ivy, his step sister. he couldn't hear that. he just says "no, she won't. she's young. he always found ways to avoid her getting in any sort of relationship or marry. he had feelings for his innocent sweet gorgeous stepsister. no one knew about it