Yuki Amane

~!She is the future wife of Hashida Itaru, with whom she will have a daughter named Suzuha. In the Alpha world line, her husband invents a time machine in 2036, which Suzuha uses to travel back in time. !~

~!In the manga "Boukan no Rebellion", it's revealed that Yuki is killed by Tennouji Nae, moments before Suzuha uses the time machine. In the anime (Steins;Gate 0), however, Yuki dies saving Suzuha (World Line: Beta)!~