Railmin is a character in Kamiwaza Wanda and a Promin. His attribute is Buruburu.

Promin Railmin



Railmin is blue with cyan arms, blue ring-shaped hands, 2 round, orange shoulders, a blue appendix, a cyan face and red markings.

For his Bugmin ego, see: Bug-Railmin

As a Bugmin, when he opens his mouth, his teeth are always shown.


Railmin is a happy Promin who loves trains. When Railmin makes a noise, he says 'Shinko' or 'Batao-Batao'. However, when Railmin sees or comes into contact with any of Zuzumin's droplets or anything like them, he says 'Unko' or 'Reishi' instead.


  • Yuto and Mirai (owners (Railmin is Mirai's Promin buddy))
  • Zuzumin (rival/friend)


Railmin's Kamiwaza ability is to give anyone a train ride. As a Bugmin, he can set up a railway rollercoaster.

In the series

Kamiwaza Wanda

Railmin made his first camero appearance as a Bugmin in the beginning of episode 1.

Railmin's major role debut as a Bugmin was in episode 4 when he took both Wanda and Shuu on a railway rollercoaster. That was until Zuzumin stopped him with his droplets. Yuto then captures and debugs Bug-Railmin. Later, as his Promin-self, Railmin gave Yuto and his friends a train ride across the meadowy hills.

In episode 10, Yuto summoned Railmin in order to help his father, his sister Yui and his 2 friends Mirai and Shuu look for Wanda.

Railmin became Mirai's Promin buddy in episode 44 as Yuto passes him to her. Mirai uses Railmin to help her chase down Bug-Turbomin and Bug-Jetmin.




  • Railmin resembles steam trains and subway trains.


  • Railmin has a dislike on Zuzumin's droplets and anything like them.
  • Railmin's name comes from the word 'rail' which is a type of track that diesel trains, steam trains, subway trains and bullet trains all travel on.