Mizuki had an accident and went to coma, his spirit left his body and went to the future. After waking up he went back in time and lost his memories so... MIZUKI'S BROTHER IS MIZUKI WITH AMNESIA!
Wtf like wtf.
I know right... doesn't make sense at all ┑( ̄Д  ̄)┍ xddd
Mizuki had an accident and went to coma, his spirit left his body and went to the future. After waking up he went back in time and lost his memories so... MIZUKI'S BROTHER IS MIZUKI WITH AMNESIA!