Inma-kun,

who was saved by the heroine's energy when he was young, falls in love with the heroine.
She has always wanted to be by her side, so he reincarnates as a human and
manipulates the memories around her to come to her as her university student nephew.

During her reincarnation, she became an adult woman!?

After a little play,
the two end up getting into bodies...

This is a story where Inma-kun becomes obsessed with her and is doted on sweetly and intensely.