Mei was taken aback when she witnessed a young boy referring to Ogihara, the coolest guy in their class, as "to-chan". Did Ogihara already have a child? Moreover, the child grew fond of Mei and so Ogihara asked her to babysit after school.
To her surprise, Mei found that babysitting was much more enjoyable than she anticipated. However, she couldn't shake the strange feeling that arose within her.
This manga also features one-shot stories: "Fuusen Pierrot" and "Kemonomichi no Susume!!"