Demon Development System (Study Monster Cultivation System)

Demon Development System, alternatively known as Study Monster Cultivation System or DDS, follows the story of a protagonist navigating a unique learning system. With the ability to enhance learning efficiency significantly and a limited learning vitality, the protagonist must manage their fatigue and utilize the system's functions to relax and recover. Set in an urban life backdrop, this novel appeals to readers who enjoy stories featuring hard-working protagonists and system administrators.