| The Day of Revolution | |
 Cover of volume 1 of The Day of Revolution, published by Shinshokan, showing Kei (left) and Megumi. | |
| 革命の日 (Kakumei no Hi) | |
|---|---|
| Manga | |
| Written by | Mikiyo Tsuda |
| Published by | Shinshokan |
| English publisher | |
| Magazine | South |
| Demographic | Shōjo |
| Original run | April 1998 – February 2001 |
| Volumes | 2 |
The Day of Revolution (Japanese: 革命の日, Hepburn: Kakumei no Hi) is a Japanese manga written and illustrated by Mikiyo Tsuda. The series was serialized in Shinshokan's manga magazine South between April 1998 and February 2001. The manga is licensed in English by Digital Manga Publishing and has been released in North America in 2006. Two drama CDs based on the series were produced, the first in July 2001 and the second in March 2002. The story mainly focuses around a boy who starts to live as a girl and how his group of friends changes due to his new lifestyle.