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...

Migi and Dali have been fully accepted as members of the Sonoyama family. They behave just like real parent and child, but the twins notice that Mom...

To uncover the truth behind their mother's death, Migi and Dali finally begin to take serious action. Their clue is the memory of the room they...

The housemaid Micchan tells Migi and Dali that the Ichijo family has a room with water flea wallpaper. They begin attending school to befriend Eiji,...

After achieving first place in the test, the Sonoyama family was invited to the suspicious Ichijo residence. Dali, seeing this as an opportunity,...

Dali continues to search the Ichijo house. Migi, by perfectly playing the role of an infant, tries to draw out the secrets of the Ichijo family.

"It was Eiji who killed our mother!?" To confirm the truth, Dali disguises herself as Sali and begins to approach Eiji alone.

Shocked to discover that Sali's true identity was Dali, Migi flees to Akiyama's house to escape. Dali comes to bring Migi back for revenge, but Migi...

Framed as murderers by Reiko, Migi and Dali find themselves unable to reveal themselves and decide to seek help from Akiyama.

Reiko, cornered by Migi and Dali, finally begins to speak about Metry, the mother of Migi and Dali. It turns out to be the story of their birth as...

Migi and Dali, along with others, are trapped in a confinement room. Gradually, smoke from the fire started by Eiji begins to drift into the room.

The Ichijo house was burned down, and the incident was resolved, gradually bringing life back to normal. Migi and Dali were supposed to return to...