After have fun around town, Zatch finds a manga titled "Ka-chan Tazunete Sanzenri", a parody of 3000 Leagues in Search of Mother.
Zatch inspired by the story, decides to go to town and search for
motherly people to see if he can regain his memory of his mother. After
finding bad examples of mothers, Zatch visits Kiyo's mother and is
amazed at how much work she does. Zatch tells Kiyo he wants to know what
having a mother feels like and Kiyo tells him to look at his mother
like his own mother. Zatch angered by this runs away. Kiyo searches for
Zatch and runs into Tia who helps him. Kiyo's mother finds Zatch who
tells her he is afraid to accept her as his mother since his feelings
for his real mother might be lost. Kiyo's mother tells Zatch that there
is no problem in having two mothers in his heart, since she thinks of
Zatch as her own son. Zatch realizes this must be what having a mother
feels like and cries while hugging her.