Steins;Gate (2011)

S01E21 Paradox Meltdown

Armed with the implications of his latest breakthrough, Okabe presses forward with his mission to shield Mayuri from death—but now, a new dread shadows every move. He cannot ignore that saving her might come at Kurisu’s expense. Each step toward altering the past pulls him deeper into a cruel trade-off, forcing him to navigate a fragile path between two fates he refuses to accept.