The Sakura Arc is the fourth arc of the ノラガミ Noragami series by Adachitoka. It spans chapters 40-48 of the manga. Most of the arc has no anime adaptation, but one of its chapters was adapted into OVA 4.
Chapter 40: We Not-So-Humbly Pray
Chapter 41: A Picture Together
Chapter 42: Causes Nothing But Disaster Kofuku tells Hiyori the story of how she met Daikoku and raised a child, Daigo, with him. After being blighted by Daikoku's guilt, Kofuku released Daigo; Yato "cut" the ties between Daikoku and Daigo in order to prevent him from turning into a phantom.
Chapter 43: Secrets
Chapter 44: Cut + Ties
Chapter 45: Transpired Transgressions
Chapter 46: Children At Play
Chapter 47: Taboo Hiyori witnesses the story of Yato's childhood. Yato makes Sakura his shinki and tries to hide her from Nora and Father. She teaches him to treat humans with compassion. Nora tricks Yato into revealing the God's Greatest Secret.
Chapter 48: You, My Dear One