Mirai, my little sister

Kun is a little boy with a happy childhood until the arrival of Mirai, his little sister. Jealous of this baby who monopolizes his parents' attention, he gradually withdraws into himself. At the bottom of his garden, where he often takes refuge, is a genealo-ma-gical tree. Suddenly, Kun is propelled into a fantastic world where past and future will mingle. He will meet in turn his loved ones at various ages of their lives: his mother as a little girl, his great-grandfather in his vibrant youth, and his little sister as a teenager! Through these adventures, Kun will discover his own history.