4 Stories---The first and second story have the same heroine.

She works at a daycare center or kindergarten, and unknown to her colleagues she used to be a much feared female gang leader. ^-^ Also, the heroine has good vibes about a certain male colleague. One fine day, she meets an ex-male gang leader who knows her past...and events start unraveling from there.

For the second story, it's set in the daycare/kindergarten too. The main character is one of the kids in the kindergarten, and he has a secret which he is afraid to let other people know, especially his beloved teacher. (The heroine is his beloved teacher.)

Story #3
The main heroine is a 16 year-old girl. Her father is a scientist and always invents some weird things. What's more, he claims that he came from another planet! All these drive the poor heroine crazy ^-^ But at least now her love life is going fine...until the day 2 guys from outer space land on Earth, wanting to find out more about the 'Love disease'! Perhaps her father has not been lying after all?