Otto's Strongest Dream

A genius killer had transmigrated to the world of Ultraman Diga and was given the body of a dream beast by the system. He had unlimited potential and the combination of light and darkness had become the strongest dream beast. Siro, you are the strongest young Otto warrior, I am. Gauss, if you want to compete with me on who has more forms, fine! Did Noah have his superpower form? Was there an infinite state in Morbius? Did Zaki have a dark state? Compared to me, I’m eight streets ahead of you. Who am I? I am the strongest Otto warrior--

There are many female protagonists in this book, but they are not promiscuous.