With the addition of Mana, Keita is officially outnumbered five girls to one guy in one small apartment! Although Mana has been welcomed in as part of the "family," her disdain for the human
world and the mototsumitama who ally with them is evident. A glimpse into the past reveals the cause: Mana's beloved older sister abandoned her right to clan leadership (and her little sister)
to marry the human she'd fallen in love with. Can Mana set asider her resentment and help Kuro and Keita find and defeat the elusive Ghost?