The Second Returner Wants To Live

[A bizarre sinkhole appears.][Monsters pouring out of the sinkhole annihilate all nearby military units.]At the same time, a world suddenly appears, connected to this world.After hearing that his brother, a Transcendent-R ranker, has gone missing, Hansol heads to that world to find him. Therefore, it was difficult for Hansol, a C-ranker, to find his brother's traces...Then one day.Hansol meets R-ranker 'Yoo Se-rim' and falls in love with him at first sight, but...Where on earth did it all go wrong?'Drowning'.But the real cause of death was 'murder' by Yoo Se-rim, and Han-sol met an unjust death.But, what is this situation?Before he disappeared, the pendant his brother gave him sent Han-sol back to the past!"I will definitely repay my debt. So, if you're just talking nonsense, then you're dead to me... If what you're saying is true, then you'll help me get revenge on Yoo Se-rim in my own way." "If you want to keep our line, don't get entangled with Baek Hee-do, Han-sol."Will Han-sol be able to safely complete his revenge and find clues about his brother?+