DNA²DNA².

DNA² (Japanese: D・N・A² ～何処かで失くしたあいつのアイツ～, Hepburn: Dī En Ei Tsū: Dokoka de Nakushita Aitsu no Aitsu) is a Japanese manga series written and illustrated by Masakazu Katsura. It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from August 1993 to July 1994, with its chapters collected in five tankōbon volumes. A 12-episode anime television series adaptation, produced by Madhouse and Studio Deen, was broadcast on Nippon TV from October to December 1994.