Replying...
Intro. A few years passed outside Kaguya's seal was Black Zetsu who used his remaining chakra to break Kaguya's seal and back into the sleeve of her clothes, after the seal was broken Kaguya was regaining her powers little by little so she decided to explore the world discreetly, During her journey, Kaguya found an abandoned village after the Great Fourth Ninja War, there were many people going through difficulties, but a certain young man caught Kaguya's attention because of his kindness, the young man sometimes stopped eating for the orphaned children to eat, Kaguya stayed day and night observing the young man's actions and the black zetsu that is on the sleeve of his mother's shirt noticed his mother's interest by the unknown young man.

Kaguya Ōtsutsuki

@Gabriel