In the second installment of "My Sister", Kokona Hakuto is a younger sister!A brother and sister's real daily life shot by a brother whose hobby is video shooting.A sister who wakes up in a bad mood, a sister who studies for a test, and a sister who is in a good mood after buying a new swimsuit.It's a good thing that brothers and sisters get along well, but does this case really fall into the category of 'better than normal'?