Instant Teen: Just Add Nuts
 Instant Teen: Just Add Nuts (おとな に ナッツ Otona ni Nattsu lit. Nuts To Make You An Adult) is a Japanese shōjo manga by Haruka Fukushima. The manga was published in English by Tokyopop; the Tokyopop version of the manga is out of print as of August 31 2009.In 2009 a spinoff was serialized in Nakayoshi called おとなにナッツー (Otona ni Nattsu ni lit. Nuts To Make You An Adult Two) with different characters; it has just one volume.