This work can be regarded as writing the future plot of the sad and happy song in advance. (Of course it won't be the same. Those of you who have watched Songs of Sadness and Joy don't have to worry about spoilers)
It mainly describes the process of getting acquainted and falling in love with Inutaishou and Izayoi. This article has been completed, so you can read it with confidence. This article will definitely not be a scam.
Conception: