"Preserved Roses" is a collaboration single between T.M.Revolution and Mizuki Nana (水樹奈々). It was released in three versions: a limited CD+DVD edition, a limited pressing edition and a regular edition. Every edition included different material, also, both limited pressing and regular edition came with a trading card featuring T.M.Revolution and Mizuki Nana, while the limited CD+DVD edition included the anime's guide book. The title track was used as the opening theme song for the anime Kakumei Valvrave. Read more on Last.fm