A Tail of Fan Service!Kevin Swift has faced many problems since becoming Lilian's bullies, the older sister of bullies, the older sister's jabronis, bratty kitsune, yōkai assassins, anti-yōkai militant groups, tentacle monsters, and the mightiest Celestial Kitsune in the entire world. He's survived through it all, growing stronger and more mature in the process-at least, he likes to think so.

But another problem is about to descend upon him, one that will affect far more than just him.

The Sons ...