Migi to Dali
After finally adopting a child, the Sonoyamas were unprepared for the mystery that would soon unravel. Hitori seems to be the perfect son for his loving parents. He's handsome, intelligent, and grateful for his new lavish life—but he has a dark secret. Hitori is actually the twins Migi and Dali pretending to be one boy. And they have a terrifying motive behind their hidden identity.
(Source: Crunchyroll)
Episode 13 - Migi and Dali
Episode 12 - Our Revenge
Episode 11 - Upside-Down Woman
Episode 10 - Beavers vs Mother Ichijo
Episode 9 - Kill Kill Kill Kill Kill
Episode 8 - Two ≠ One
Episode 7 - It Wasn't a Ghost
Episode 6 - Who Killed the Parent Bird?
Episode 5 - Water Flea's Song
Episode 4 - Be a good student
Episode 3 - Let's make friends
Episode 2 - Welcome Party
Episode 1 - Migi and Dali