X-Kai- is a Japanese shōjo manga by Asami Tohjoh. It was serialized in the manga magazine Eyes Comics, published by Homesha, and the chapters were collected into two tankōbon. X-Kai was licensed for release in English by Tokyopop. X-Kai is not explicitly shōnen-ai, but the main character sometimes seduces his targets in order to get close to them, and in the second volume the main character shares an intimate kiss with a male childhood friend.