Kamen Rider Build is currently broadcasting on TV Asahi on Sundays at 9AM. Though Sento Kiryu/Kamen Rider Build (Atsuhiro Inukai) and Ryuga Banjou/Kamen Rider Cross-Z (Eiji Akaso) have teamed up to fight Kazumi Sawatari/Kamen Rider Grease (Kouhei Takeda), their relationship outside of the show are different.
Kouhei Takeda has been posting charming, eye-catching photos of the trio on his official Instagram account:
Atsuhiro Inukai has also posted photos of the trio together on his Instagram:
Though the men fight on the show, they proudly display their friendships on social media.
Article Sources: Shochiku Cinema