Adashino has vanished from Sumireko's sight. The Cat Sovereign appears at the station just as Oto is returning from visiting Uname. Adashino intervenes, but speaking with the Cat Sovereign makes Oto remember something she's forgotten for ten years.
In short, he's deliberately giving 
himself regrets tied to this world.
باختصار، إنه يجعل نفسه يندم
.على أمور تقيّده بهذا العالم
Er hat also in dieser Welt absichtlich
etwas unerledigt gelassen.
Es decir, deja algo
de lo que arrepentirse.
Es decir, deja algo
de lo que arrepentirse.
c’était pour laisser derrière lui
un dernier regret.
In breve, si è imposto di sua sponte
un rimpianto legato a questo mondo.
Ou seja, ele deixou de propósito um
arrependimento para estar ligado a este mundo.
То есть он специально
покинул этот мир с сожалением.