Teki ka Mikata ka ￥ Sakurada Sekito!! (E28)

The mysterious young man who saves Kaito and the others arrives as a transfer student. His name is Sekito Sakuraba, and he seems to know about the black Hero Suits and the Tower of Seizure. Nagare asks him, "Who in the world are you?" Then, the Tower of Seizure once again falls from the sky, and Kaito and Nagare fight the black Hero Suits as a tag-team... (Crunchyroll)