A teenage boy has now moved in the home of his mother's friend, because she had died a while back. It just so happens that the Yakuza family has four...

Shunsuke Aoba has just transferred to a new school and can’t wait to attend. Excitedly, he sprints to the school but, upon arrival, finds that...

Professor Utonium and his son Ken are studying the strange Chemical X. When a mochi cake falls into the formula, it changes into Chemical Z. Ken...