Attack on Titan: Soul of the Knight.

Summary

In a desperate situation, Arthur and Alan attempt to rescue Aunt Carla, who is trapped under a heavy beam after a house collapse. Despite Carla's injuries, she urges them to escape, fearing for their lives as giants approach. Arthur refuses to leave her and, with Alan's help, manages to lift the beam, freeing Carla but revealing severe leg injuries. As they try to flee, Arthur distracts a pursuing giant, allowing the others to escape. Ultimately, he defeats two giants but is left unconscious. Han Ni Si rescues him, bringing him back to the group, while Carla, gravely injured, expresses her love and final wishes to Alan before succumbing to her injuries.

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