For the new year, the staff of Kura all show up to work in kimono. Kiyotaka takes Aoi out to a temple, and they make a promise to visit a cafe together later. But while they're out, an unexpected reunion will change Kiyotaka and Aoi's relationship.
Because of that, they've decided 
not to make it official.
.وبسبب ذلك، قرّرا ألّا يجعلا علاقتهما رسمية
Deswegen wollte er es
nicht bekanntmachen.
Tras eso decidió no casarse de nuevo.
Tras eso, decidió no casarse de nuevo.
C’est pour cela qu’il préfère
ne rien officialiser.
Per questo non hanno reso la cosa ufficiale.
Por isso, decidiram não oficializar.
И по этим же причинам дедушка 
не вступает в брак.