一触即発☆禅ガール (Isshoku Sokuhatsu☆Zen Girl)

Background
Rapidly after its upload, this song entered the Hall of Fame, having over 800,000 views. there is a variation from Amatsuki and Itou Kashitarou wich is very popular too, reaching more than 620,000 views.

This song is present on album Jigokugata Ningen Doubutsuen (地獄型人間動物園).