My name is Oyama Mahiro.

I used to be an eroge-loving adult man,

but now I'm living a second life as a pretty middle school girl after my younger sister Mihari gave me a drug.

There were all kinds of troubles at first, but now I've gotten used to living as a girl and I'm spending my days as a middle schooler with my friend Momiji and everyone else... However!

So... Mahiro-chan!

At the moment, I'm in the greatest danger I've been ever since becoming a girl.

And that is...

Please kiss me like you did yesterday!

Huuh...!?

Momiji, my best friend, is asking me for a kiss...!