He Was in Uchiha, and Itachi Was Married Off on the Night of the Genocide.

The Third Ninja War. Encountering an enemy surprise attack, Itachi unexpectedly abandoned his Uchiha comrades. Run and save the Sarutobi clan! At a critical moment, Uchiha Shiraba awakens the system: Be effeminate! Just complete the system's sissy tasks. You can get god-level rewards by yourself! "Uchiha Weasel becomes 10%, rewards the host with five draws in a row, and gains Mihawk swordsmanship!" "Uchiha Weasel becomes 50%, rewards the host with seven consecutive draws, and obtains the three sacred beasts of the spirit!" "Uchiha Weasel becomes 90%, rewards the host with ten draws in a row, and gains mastery of all ghost ways!" On the night of genocide, he faced Itachi Uchiha who picked up the butcher knife. Bai Ye decided. Marry Itachi out! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.