Kamen Rider Build

The Counterattack Hero (1x27)

Air date: Mar 18, 2018

The representative battle between Touto and Seito has begun! 3 on 3! Grease defeated Engine Bro's in the first round and gave Touto the first victory. Then in the second match… Hell Bro's appears with the strength of both combined systems! It has become a treacherous deathmatch, but Sento still remains determined, desperate to end this war once and for all!