Su Sen died in an accident, but his soul transmigrated to another world and merged with a knight who shared his name. The knight had been swallowed by a frost dragon's breath during a fierce battle to slay it, hovering between life and death. Struggling to survive in a frozen wasteland, alone and helpless, Su Sen is unexpectedly caught up in a cataclysmic showdown between a Frost Titan and an ancient ice dragon. With death closing in, he awakens a mysterious Hero System and summons a white-haired figure astride a crimson dragon...
P.S. This blurb is just riding the hype of a popular work. There won't be anything too explosive, okay?
Father-in-law, when will you return?
The world-building that blends fantasy and technology is quite interesting.