Evolution is the 18th volume of Muhyo & Roji's Bureau of Supernatural Investigation manga series.
- Article 151: Friends
- Article 152: Karma
- Article 153: Disbanded
- Article 154: Miracle
- Article 155: Partners
- The Last Article: Mujyo and Roji
- Bonus Story: Muhyo & Roji's Bureau of Supernatural Investigation
Muhyo has finally woken from his long slumber, but will his prodigious display of power be enough to stop Vector? Moreover, will Muhyo and Roji be able to keep it together when it seems like everything and everyone is threatening to drag the duo apart?