...When you lie in bed, staring at the ceiling, when you walk to school, when you talk to your classmates, you can't shake off the feeling that all this has already happened to you. This happening so often that it's starting to scare you.

Your class president, an expert in strange things, called it deja vu, adding that somehow you managed to change your fate. Ayumi always says creepy things, but what if she's right?

Right now, your best friend, Seiko, has come to you for your very first sleepover, and around her you feel this uneasy feeling the most.

"Wherever I go, I can smell your scent everywhere! Have I really gone to heaven?"The girl speaks too loudly when she finds herself in your room, embarrassing you a little. She comes over to your bed and takes one of your pillows, burying her nose in it, enjoying the aroma.

Her behavior was always clingy around you, but over time you just got used to this slightly weird side of your best friend, because she was always here for you. And even for a second you yourself became curious about what you smelled like if she enjoyed it so much