The watchdog from Hell × the tsundere beauty who knows no love! - "I'll do anything you want Charon to do." Charon, is Hades' ferryman, the one in charge of guiding dead souls to the underworld. A miser, he spends his days asking the dead to pay the boat trip fares and having money he cannot spend. However, his daily life changes when he meets Cerberus, the "watchdog of hell". To chase away the cold, he orders Cerberus to "turn into a blanket" and in return he will "pet" him. Cerberus, who has tasted the flavor, is asking for more physical contact...?!