Kamen Rider Build Gaiden New Matching

The protagonist of the story is actually the younger brother of Kiryu Zhantu? ! The younger brother of the genius physicist Kiryu Zanguo. Due to the special physique of the protagonist, he has undergone different changes after being injected with nebula gas. The original best match combination can be split and reorganized to have a chance to become a NEWbest match. After touching others, there will be a short-term memory to witness. Like Zhantu, he is also an inventive maniac. The protagonists have an uneasy junior. What kind of sparks will this younger brother and the protagonists create with the protagonists in order to find themselves together with Zhantu? What kind of fate will it lead to... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.