One morning, at the end of one of their usual arguments, You Keika learns about the life and death relationship between a Youmeishi and their spirit shadow, as well as the weaknesses of this from Tanmoku Ki. Along the way, Keika learns about the Tanmoku family's treasured sword (the Rakugetsu sword) as it is being taken to the family mausoleum in preparation for the pledging ceremony. He then finds himself under attack by Shito Ritsu who bears a strong grudge against Tanmoku Ki. When he soul is about to be broken apart Keika reaches out for the sacred sword...
Even a perfect guy like you 
has to have a weakness.
حتّى شخصًا مثاليّاً مثلك لا بدّ أن تكون له نقطة ضعف
Jemand so Perfektes wie du
hat sicher eine Schwachstelle …
Incluso tú debes tener alguna debilidad.
Incluso tú debes tener
alguna debilidad.
Même toi,
tu dois avoir un point faible.
Perfino i perfettini come te
avranno qualche punto debole.
Até mesmo um cara perfeito como
 você tem que ter uma fraqueza.