Kyō no Go no Ni(今日の5の2Kyō no Go no Ni, lit. "Today's 5's 2" or "Today, in Class 5-2") is the debut Japanese seinen manga series created by Koharu Sakuraba, the author of Minami-ke. It was originally serialized in Kodansha's Bessatsu Young Magazine from 2002 to 2003, and the twenty-two chapters were later collected together in a single bound volume along with two extra chapters and published on November 11, 2003 by Kodansha. The main premise of Kyō no Go no Ni is the school life of the fifth grade class 5-2, focusing on an elementary-school boy named Ryōta Satō.