MTL - General: Traveling Frog, Starting Blood and Following the Limit - Chapter 241

16 years old-- most boys would be falling in love, as their hormones all rise to unprecedented levels. Most boys at Riley's age would have dreams; dreams that will slowly grow into passion. Riley, however, at age 16... killed the world's number 1 superhero.

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?

When a struggling graduating student failed his capstone project, he got frustrated and attempted to take his own life. The moment he was about to take a leap, a voice stopped him and handed him a strange box and disappeared.As he got home, he opened the box and saw a strange usb device and a set of strange pills. Later he found out that the USB contained inventions from the 20th to 23rd century, and the pills were a nootopic drug.With this discovery, his life would soon change from an outcast of the family to the world’s powerful businessman that would create companies that would rival top companies around the world.

Being a Divine Doctor is very troubling, but being an invincible Divine Doctor is even more so, because there are just too many patients. Tangyu simply couldn't cope with it all!