Bullet Train Transforming Robot Shinkalion The Animation

Hayato, along with his mother Sakura and his sister Haruka, are about to meet up with Hokuto in Kyoto under Commander Izumi's approval. Hayato is excited to reunite the family after a long while and to be able to ride the Tokaido Shinkansen N700A Nozomi for the first time. Akita, Tsuranuki and Shashot stay behind to keep the enemies at bay so that Hayato could spend his family time without concerns. However, an unprecedented enemy appears before them ...! (Source: Shinkalion Wiki)