Sometime, Call Me By My Name
Momiji's spry new personality, which has also extended to Kumagai, is a hit with everyone in school, but Ichiko remains suspicious that it is one of her plots. Momiji explains how, as a result of being washed in the human world, she has lost her powers and changed personality. Ichiko and the others attempt to turn Momiji back to her usual self with no avail. After some initial hesitation, Ichiko soon starts being friends with the new Momiji, finding it pleasantly peaceful. Some time later, Kumagai ends up getting dirty and reverting to normal, teaming up with Momo to try and revert Momiji to normal in the same manner.
Aired 20/09/2012EP 12 - Sometime, Call Me By My Name

Good Luck Girl!
At the expense of the people and things around her, Sakura has absorbed so much "happiness energy" that she has caused an energy imbalance in the world. In order to return balance to the world, the Poverty God, Momiji, sets out to take away Sakura's ability to absorb this energy. Will Momiji be able to put a stop to Sakura's absorbing abilities, or will the God succumb to her happiness?
(Source: FUNimation)