Thrust into the chaotic Marvel universe, ordinary adult Arthur Morgan pursues his dream of becoming a successful writer—a hope bolstered by an unexpected cheat: a daily login system. This mysterious system grants Arthur new rewards each day, from powerful combat skills and rare abilities to inexplicably useless items. His quiet, solitary existence takes a dramatic turn when he discovers an unconscious blonde girl abandoned at his doorstep. Forced to confront this mysterious encounter, Arthur must uncover the truth behind both his supernatural system and the enigmatic visitor who threatens to upend everything in this dangerous, superhero-filled world.