Momo is a spirit formed from peach blossoms. She is cheerful and kind.
Her closest and dearest friend is Sakura.
Mom witnessed the intensity of Sakura's love and was worried that she would get hurt.
Since Sakura lost her beloved, Momo has lived with her and supported her in her grief.
Anyone would be lucky to have a friend like Momo.
And as for Momo, she is just happy that she can be there to protect Sakura.