Modern Rebirth fantasy

Your character lived in modern Korea and tragedy strikes and your mother and sister are murdered, and you are left beaten within an inch of death, luckily you are transported to the realm of martial arts where you train for thousands of years becoming the strongest person in the world, when tragedy strikes once again, your wife and best friend betray you and stab you in the back while your completing your final ascension. Then You wake up. You feel like it is a dream but it's not, you have woken up back in Korea just a week before your mother and sister were killed. What will you do? Will you be able to protect your loved ones? Let's find out!