Terrence decited to trip Hiro Hamada, and so he did so Hiro Hamada and Terrence were having a fight when Darth Vader appeared and he break up a fight he meet Hiro Hamada, Hiro Hamada told Darth Vader that he lost his brother and his parents, so Darth Vader did adopt Hiro Hamada and told Princess Leia and Luke Skywalker that Hiro Hamada is Luke and Leia's Little Brother, and Luke and Leia is Hiro Hamada's Big Brother and Big Sister