Dino Betrayal Reborn

A wealthy family travels to a mountain to celebrate their adopted son's birthday when they encounter a deadly dinosaur. They force their biological son to rescue the adopted one, but in the critical moment, they abandon him to the beast to save themselves. Devoured and betrayed, he gains a second chance at life. When the dinosaur returns in his new timeline, he refuses to sacrifice himself for his biased, selfish family again. This time, his only goal is survival.