Later, Usio changed it to include all Arina Tanemura manga. When Usio wanted to give it away, Hotaru kindly adopted the TCG and revamped the cards. After awhile, the site was again revamped to include all shoujo manga, instead of just Tanemura's works, in an effort to broaden the scope and increase interest in Memento.
- Owner: Hotaru
- Founding Owner: Usio
- Archived URL: http://memento.clavis-sama.com
- Category: Shoujo Manga
- Lifetime: 2009 - 2011