'This school... is at the center of the entire universe'
'I belong to you... Musashi.'
Those were the words of Vice President of the Student Council, Kagura Mami that were said to Katsuragi Musashi on the first day they met.
What's the secret of that school? What's the mystery behind it all? And what's the past that haunts Kagura and Katsuragi?
On the day of his 16th birthday, this charm mysteriously disappears, and into Yuuto's life walks Himari. A cat spirit-samurai girl and demon hunter who swears to protect Yuuto. There is only one small problem. Yuuto has a severe allergic reaction to cats! Hang on to your manga-reading chair as this slapstick love comedy with a bit of good ol' fashion demon hunting is about to begin!
Tatsuya is really talented but also a bit of a slacker. Since middle school, Kazuya has received awards and recognition for excellence as a pitcher and baseball player. Tatsuya, however, is more inclined to let his brother take the limelight, as he is unwilling to directly compete with Kazuya. This includes Minami as well; while most people (including their parents) suggest that Minami and Kazuya will make a perfect couple, Minami tends to prefer Tatsuya.