Sougo and the others find Emu Hojo, also known as Kamen Rider Ex-Aid and engage in battle with him. However with the appearance of Another Ex-Aid, Emu memories and powers are stripped from him. Despite so, Sougo needs to somehow gain Emu's trust in order to gain the Ex-Aid Ridewatch and defeat Another Ex-Aid.

With Another Fourze also possessing the powers of Another Faiz, Takumi Inui appears to stop Masato Kusaka and help Sougo investigate the case. As they continue searching for answers behind the mystery of Another Fourze/Faiz's target Karin Yamabuki, they discover a connection with the Ryusei School.