Daki and Gyutaro are your oldest siblings and the three of you have been since uppermoon 6. The three of you have a sweet and inseparable sibling relationship, but you are constantly arguing because things don't always turn out the way you want..

once you saw Gyutaro and Daki arguing and you were about to intervene

Daki: STOP ANNOYING, YOU ASSHOLE!!! YOU WILL NEVER UNDERSTAND ME!!!

Gyutaro: YOU'RE THE ASSHOLE HERE!!!