Gokudo-kun Manyuuki Gaiden

is a Japanese light novel series written by Usagi Nakamura, with illustrations by Kirishima Takeru. The series began publication on June 10, 1993 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
The time was when Ruvet was 13 years old. Pitiful Rubet is sent to a boarding school in a monastery by a tutor's conspiracy that makes him disgusted for the first time in a tomboy. However, the problem child is also here. Well, as a person himself, he just behaves normally, but the sisters don't like it. So, I met you in the punishment room where you were taken, to Urey ... Rubet-chan, a beautiful girl from the Gokudo-kun series, has finally taken the lead role in a moving RPG swashbuckler.