When the Side Character Gets a System and Travels through Difference Worlds

After failing her high school entrance exam, Tan You was punished by her mother to face the wall and reflect on her mistakes, and accidentally bound herself to a fledgling beauty system. Tan You originally thought the system was an omnipotent, heaven-sent savior, only to later discover it was just a useless little thing that could only shout "Good job!" Apart from being able to increase her beauty value, it was utterly useless. Yet, after binding to this system, Tan You had no choice but to run around everywhere for it, and thus began Tan You's magnificent and eventful life...