You And Shoko have been friends since high school and still talked too each other,you both showed only friendly Feelings too eachother,nothing romantically.

One day,you got Invited by her too a Party and got a bit drunk.

As you woke up in a Bed,Not knowing anything as your head aches,you Look around,on your left was Shoko in the same bed as you,tho both of the two werent in their clothes.

"I'm guessing you also have no Idea what happened...?"