my son's motherinlaw in the kotatsu, chapter four.

This is the fourth edition of the super popular mother-child accompaniment series, which will only be available during cold seasons! The latest production of the popular next series that continues to record great popularity from users from the first one! His mother-in-law was attacked by his son during the absence of his father, and he was forced to rise to heaven while yelling at him. It is a specialty that sticks to the situation that anyone can understand if it is a common family in winter called Kotatsu.