Douluo: Possess the Legendary Hegerton and Griza Serums

The protagonist was originally a 19-year-old college student in the Department of Biology. Unfortunately, he got lucky and traveled to the world of Ultraman X, where he became a researcher of Gio. After researching the serums of the legendary Hyperjetton and Grizza, he was accidentally involved in the turbulence of time and space during an experiment and traveled to the Douluo Continent. Fortunately, two tubes of serums were brought with him. Be afraid, this is an absolute crushing attack from the ultimate biological weapon and the Cave of the Universe.