Kōshi Inuzuka is a normal high school student aspiring to become a prosecutor after graduating.

One day, a strange girl named Momoko Kuzuryū approaches him, revealing that they are betrothed and expected to produce a strong child together, although Kōshi does not accept this odd notion.

Written and illustrated by Shinobu Ohtaka, Sumomomo, Momomo started in the inaugural issue of Square Enix's seinen manga magazine Gangan YG [ja] on January 30, 2004;[3] the magazine was later rebranded as Young Gangan on December 3 of the same year.

[5][6] Square Enix collected its chapters in twelve tankōbon volumes, released from May 5, 2005,[7] to February 25, 2009.

[32] Two additional original video animation (OVA) episodes were released with the ninth DVD set of the series on August 24, 2007.