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 and Dad are acting somewhat distant.
Suspecting that the Sonoyama couple might be hiding something, the two discreetly begin to search the house and stumble upon an unexpected secret of the couple.

Migi and Dali are shocked, wondering if they have been deceived. However, determined not to let things end this way, they execute a plan to retaliate against the Sonoyamas.
we'll pass the 30 degree heat
from the western window through this…
...سوف نمرر حرارة 30 درجة من النافذة الغربية من خلال هذه
Durchs Westfenster strahlt die Sonne
im 30° Winkel ein, und hiermit …
concentraremos el sol
con un ángulo de 30 grados.
y pasar el calor por esto
a un ángulo de 30 grados.
un rayon détourné à 30°
depuis la fenêtre ouest passera par là,
faremo passare attraverso la lente i raggi del sole
che entrano dalla finestra ovest a 30°
posicione a lupa a 30° ao sol
que entra pela janela oeste...