GKIDS has unveiled official trailer #2 for Mirai (2018). Follows a young boy named Kun who feels forgotten by his family when his little sister Mirai arrives. Running away from home, Kun stumbles upon a magical garden that serves as time-travelling gateway where he encounters his mother as a little girl and has a series of adventures with his baby sister all grown up, opening up a new perspective on his world. Watch official trailer #2 now!