This article is about a/an character in Kamen Rider Ex-Aid.
Masamune Dan
Gender: Male
Series: Kamen Rider Ex-Aid
Affiliation: Genm Corp. (formerly)
Homeworld: Earth
First Appearance: Christmas Special: Targeting the Silver X mas!
Last Appearance: N/A
Number of Episode
TBA (Ex-Aid)
Full list of appearances
Actor: Hiroyuki Takami
"Can you stop my son?"
― Dan asking Emu if he could stop Kuroto before revealing the truth to him.[src]

Masamune Dan (檀 正宗 Dan Masamune) is the former CEO of Genm Corp. and the father of Kuroto Dan. He is currently imprisoned after being framed by his now corrupted son, using Masamune as a scapegoat into making everyone believed he started the Zero Day.

Character HistoryEdit

Early LifeEdit

16 years ago during Emu's surgery led by Kyotaro Hinata where he and his son Kuroto were involved in, his son had first discovered the Bugster Viruses which first appeared glitching his laptop. A few years later, the Bugster Virus was later triggered by Kuroto during Zero Day, while Masamune was framed for it and later imprisoned. Chasing the Mystery!


Masamune was visited by Kiriya Kujo in his prison. He would later give the information about the truth of Zero Day to Kujo, which led to Kujo's death at the hands of Genm Zombie Gamer Level X, who was his own corrupted son. Christmas Special: Targeting the Silver X mas!

One day, a cop named Heiji Uesugi went to visit him and talked about that the case of Zero Day has not been solved, and two people (Kuroto Dan and Kiriya Kujo) that have something to do with him have been missing. He told the cop that he had nothing more to say to him, and turned away to go back to his cell. As the cop insisted to find out something, he suddenly gets symptoms of Game Disease and starting to become weak, which caused him to turn around in confusion.

Later on in the same day, Emu Hojo, accompanied with Asuna Karino went to visit him. When Emu introduced himself, Dan was a little bit surprised. He asked Emu what did he come for, which Emu told him about Kiriya's death during last year's Christmas was caused by none other than his son. Hearing this, Dan said he was truly disappointed by his son's doings. Emu then asked Dan about what he said to Kiriya during that day, which Dan not only replied to him about the truth that happened in the past, but also making a request to Emu to stop his son's sinister plans. Chasing the Mystery!


As a father, he cares about his son and had a great relationship between each other. He also had high expectations for his son to do something big when he grows up.

That is not until his son became corrupted for the sake of completing the ultimate game, which is Kamen Rider Chronicle. His son framed him that he was the one who started the events of Zeroday that happened five years ago to cover up the fact that he was the actual criminal who started those events in the first place. This eventually drove a wedge to the father and son relationship, causing Dan to be disappointed for what his son had become.

He became even more disappointed when Emu told him that the death of Kiriya was caused by none other than his son. After hearing this, he decided to tell Emu the truth that happened in the past and made an ofter to Emu to stop his son once and for all.


  • Kuroto Dan - Masamune's son, and Kamen Rider Genm. He originally had high hopes for him up until he was framed for the Bugster Virus outbreak.
  • Emu Hojo - Masamune appears to know about Emu since their first met 16 years ago during Emu's special surgery led by Kyotaro, though how much is unknown, as he expressed surprise after hearing his name for a long time. Its currently unknown how exactly he knows him back in 16 years of past.

Behind the ScenesEdit


  • Masamune Dan is portrayed by Hiroyuki Takami (貴水 博之 Takami Hiroyuki).


  • to be added



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