26-year-old Maneki Niko enjoys taking care of children as a daycare worker, so when he finds himself having to take in his orphaned cousin, he quickly grows to love him like a little brother. However, the little boy is shrouded in mystery, and along with him, strange things occur that are hard to explain. Will Maneki be able to handle the strangeness that seems to follow his little cousin?

Thoughts like "I wish I was cool..." are common. And for Shinichi, an unpopular teenaged boy, he has no hope of getting the girl he likes to notice him. However, he soon gets help to impress the girl he likes. But, the ones who are helping him are actually different versions of... himself!