There's something wrong with the youthful life I long for

The sun was shining brightly, and under the cherry blossom tree, the beautiful girl stretched out her legs. I opened my eyes and found that I was enjoying a lap pillow.
Yes, it's beautiful, youthful, and has the flavor of a two-dimensional romantic comedy.
Anyone would be secretly delighted, thinking that this is an extremely wonderful way to unfold.
But if I tell you that girl is called 【My Wife Yuno】...
Also, the little bat I occasionally picked up on the road, it actually transformed in the dead of night!
The guy named [Bon no Mist Branch] climbed onto my sleeping body, and...
She actually...
ps: The characters currently on stage, my wife Yuno, Bonzhi Kirie, Darkness, Matsuzaka Granose...