B'T X(1996)

B'T X is a Japanese anime series following Teppei, whose long-awaited reunion with his brother turns tragic when they're ambushed and his brother is kidnapped. Pursued by his captors into a junkyard, Teppei finds himself cornered and seemingly doomed—until his spilled blood awakens B't X, a legendary mechanical beast. With this powerful machine at his side, Teppei embarks on a desperate quest to rescue his brother and uncover the truth behind the kidnapping. The series blends action-packed adventure with science fiction elements, as Teppei discovers the depths of B't X's power and the mysteries surrounding its origins.