Traveled To A World Similar To Mine But With Supernatural Beings

Tired of being a freeloader off his parents, he came to the realization that it was better for him to restart his life and choose the correct paths that he should've taken. A chance appeared to him granting him to travel through time when he was still a child and with the condition of having his current memories remain in him. However, if one changes history there will be consequences. Will he be able to face those consequences or will he regret his decision when the time comes for his wish to have an effect on everybody's lives?