Hideki arrives at the place where one person could answer his questions as to the changes Chi is going through, the person whose name is elegantly scribbled upon the cover of a Children's Book. But will he get the answers he wants or leave with only more questions?

Doumeki needs a persocom for school. At Yuuko's shop, he finds the Tsubasa v.4.1, and buys it. However, the Tsubasa, which he names Watanuki, hates him, and Doumeki finds himself rather annoyed with the 'com, too. One-shot. DouWata