Those who travel back in time

Half a scarlet skeleton, an old time machine, a shocking conspiracy that engulfs all mankind, and a time traveler who is constantly cycling through time. Chen Qing travels back in time to save his dead brother, but each rescue leads to deeper despair, and every choice leads to greater disaster in the future. Rescue is destruction, and the end is the beginning. The gears of the cycle have already started turning. This time, can he break free?