If I Press the Switch, I'll Turn Into a Girl!?

Two high school boys, Toono Keita and Ayaori Naoya are childhood friends.
The two boys, both without girlfriends, pray at a shrine for a girlfriend that matches them as well as they do with each other.
And thus, the deity hears their request, and they obtain a switch that allows them to switch genders...!
The two alternate using the switch and change genders and try to get used to dealing with girls, but...
What if the male friend you got along with turned into a cute girl!?
A dumb male high schooler's adolescent genderswap romantic comedy!