Tanmoku Ki returns to his family home for the first time since making a pact with his new spirit shadow, You Keika. However, aside from Tanmoku's grandmother, who welcomes Keika with happy tears, the welcoming mood in the sprawling mansion is noticeably stiff. Keika learns that there is a complicated relationship amoung the members of the Tanmoku family and even their retainers. Meanwhile, a mysterious man and woman appear and corner Keika. What on earth could their goal be?
That was my elementary school mode earlier.
Now I'm going take you on in serious mode!
.لقد كانت تلك هيئتي في المدرسة الإعدادية
!والآن سأواجهك بهيئتي الجادة
Das eben war mein
Grundschulmodus.
Estaba en el modo de escuela primaria,
ahora me enfrentarás en el modo serio.
Estaba en el modo colegio,
te enfrentarás a mí en el modo serio.
Fini l’écolière,
je passe aux choses sérieuses.
Prima mi hai visto in modalità bambina 
delle elementari, ma ora ti picchierò sul serio.
Eu estava no meu modo garota do primário,
 mas agora eu vou lutar com você no modo para valer.