A continuation of the manga, subtitled as Extra-Part (番外編, Bangai-hen), was serialized in Mag Garden's online magazine, Web Comic Beat's, between June 2012 and March 2013; it was later released in a single tankōbon volume.

In Japan, Boku to Kanojo no Peke Mittsu has been adapted into three radio dramas and a live action film.

Your and My Secret follows the effeminate Akira Uehara who switches bodies with the tomboy Nanako Momoi due to an accident.

2] Nanako is thrilled with the exchange as it complements her tomboy personality; she begins dating her friend Makoto Shiina.

Meanwhile, Akira's effeminate personality combined with Nanako's beauty garners the courtship of his friend, Shinnosuke Senbongi, to his discomfort.[ch.

5] The series continues episodically and focuses on Akira's deteriorating resolve to return to his body and his hesitation in reconciling Shinnosuke's feelings.

On the behest of Akira and the friends, Shinnosuke begins researching on how to build a machine to reenact the exchange.[ch.

[14][15][16] Mag Garden collected the individual chapters and side stories into eight tankōbon volumes which were released between December 10, 2002 and October 15, 2011.

Extra-Part was published in Mag Garden's online magazine, Web Comic Beat's, between June 25, 2012 and March 25, 2013.

[21] Morinaga commented the serialization kept her indoors most of the time and limited her contact with people to her assistant, publisher, supermarket cashiers, and delivery boys.[vol.

The first radio drama was available for order in Monthly Comic Blade's August 2005 issue and is a reenactment of the first five chapters in the series.

[60][61] Mania.com described the first volume as an enjoyable read, praised it for the humor and its interesting and realistic approach to the gender swap topic, but expressed annoyance with the protagonist's behavior.

[62] Meanwhile, IGN panned the plot for being preposterous, citing the protagonists' personalities to be too extreme, and gave no incentive to move past the first volume.