Migi and Dali
The twin boys Migi and Dali live in an orphanage until one day they are adopted by a wealthy and gentle elderly couple, the Sonoyamas. However, they are not taken in as the two boys 'Migi' and 'Dali,' but rather as a single boy named 'Hitori Sonoyama.' While hiding their true identities and pretending to be Hitori Sonoyama, they hatch a plan to win over the Sonoyamas. Their scheme is highly successful; within just a day, they won the favor of the elderly couple. Inside the tent in their room, the two share a sly smile.
Aired 02/10/2023EP 1 - Migi and Dali

Migi&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)