Dusk Beyond the End of the World - S01

In a world on the brink of an AI revolution, Towasa Oumagi is a brilliant prodigy. Her adopted brother, Akira Himegami, is one of the few who truly understands the passion behind her work, standing firmly by her side against the prejudice she faces as an AI pioneer. During a crucial shareholders' meeting meant to reveal a breakthrough that could change humanity, chaos erupts when a shooter targets Towasa and Akira, rejecting their vision. Akira's last memory is the attack-until he wakes centuries later in a ruined city, inside an abandoned lab. He has no idea what happened to Towasa or how the world fell apart. A kind father and daughter take him into their humble home, where he learns that civilization has collapsed into regression. His brief peace ends when OWEL, the global organization now ruling the world and restricting access to old-era knowledge, captures him. Just as they sentence him to death, a mysterious figure arrives, effortlessly slaughtering the entire squad with terrifying, inhuman power. After rescuing him, she introduces herself as Yuugure-an android-and shocks him further by proposing marriage. To Akira's disbelief, her face is identical to Towasa's.