Episode 6
Playing in the garden on his day off, Kotaro discovers a little boy trapped in the fence... who happens to look just like Nezu! Later, Ryuichi leaves his lunch in the daycare room, so Kotaro decides to bring it to him. Will he succeed in his "first errand"?
Aired 11/02/2018EP 6 - Episode 6

School Babysitters
The manga centers on the brothers Ryuuichi and Kotarou Kashima. Ryuuichi is in high school and Kotarou is still a toddler. After their parents are killed in a plane crash, the two brothers find themselves living with the chairwoman of the Morinomiya Academy, who herself lost her son and daughter-in-law in the same accident. The chairwoman, however, has one stipulation for the brothers in order to live with her: Ryuuichi has to work at the academy's daycare center as a babysitter.
(Source: Anime News Network)