The Prayer of Manasseh is a beautiful short prayer of repentance. It is presented as a prayer by Manasseh, the wicked king of Judah, referred to in 2 Chronicles 33.12,18,19.
Prayer of Manasseh
This brief prayer is an excellent example of a psalm of repentance. It is written from the point of view of Hezekiah's son Manasseh, a sinful king of Judah.