28] Kotarou investigates and discovers Shia is his great-grandmother who is searching for his dying great-grandfather, Taro Higuchi.[ch.

42] In the anime, Kotarou is not related to Misha's test and are neighbors by coincidence; she was voiced by Yukari Tamura.

38] In the anime adaptation, Kotarou's relation to Kotaroh and Shia was removed; he was voiced by Miyuki Sawashiro.

7] Before the start of the series, an amnesiac Shia lived in the human world as Shima (志摩), an adopted daughter of a merchant.

She regains her memories as Shima when Kotarou reveals her past to her and attends Taro's funeral; ignoring her demonic nature to feed, Shia dies shortly after.[ch.

38] In the anime, Shia has no relation to the Higuchi family and travels to the human world to complete her demon apprenticeship.

43] His family's financial difficulties forces him to abandon his dreams of enrolling in a high quality school.[ch.

42] After she is rejected, Koboshi changes her outlook on life and strives to improve herself to make Kotarou regret his decision.[ch.

[7][8] The individual chapters were then collected and released in eight tankōbon volumes under MediaWorks' Dengeki Comics imprint between April 10, 2000, and September 27, 2003.

[9][10] The manga was localized in English for North America by Tokyopop and released the eight volumes between January 13, 2004, and March 8, 2005.

[16][17][18] An anthology series entitled Pita-Ten Official Fan Book[Jp 1] was published by MediaWorks between March 27 and September 27, 2002.

[22][23][24] Three light novels, written by Yukari Ochiai, were published by MediaWorks under their Dengeki Bunko imprint between April 15, 2002, and February 25, 2003.

The novels were localized for North America by Seven Seas Entertainment, which released the first two volumes in March and July 2008.

[41] Two art books for the anime adaptation titled How To Enjoy Pita-Ten[Jp 3] were published by MediaWorks between August 25 and November 15, 2002.

[42][43] An art book titled Koge-Donbo Illustration Collection: Pita-Ten[Jp 4] was published by MediaWorks on December 22, 2003.

[49] Bandai Visual collected the series into nine VHS and DVD mediums and released them between June 25, 2002, and April 25, 2003.

[53][54] AnimeNation entered negotiations to localize the series for North America but withdrew due to licensing fees.

[57][58] Pita-Ten Vocal Soundtrack: Singing of Angels[Jp 6] is an image song released on January 22, 2003.

[61] Tokyopop's localized volume four and up appeared on ICv2's monthly top one-hundred selling graphic novels.

[73][74][75] THEMAnime.org reviewed the anime; they criticized the premise for being excessively cute but noted the improving plot and praised the ending.