Six's Links
Six' closer to Shiro than her other siblings, the two tend to get into a bit of trouble together for messing with their younger siblings.
Brother: He is closer to Six than he is any of the others purely because they tend to get into trouble together when messing with their younger siblings, it's one of his favorite things to do.
What a lovely young man you are Six! You listen to such interesting music and your pranks are quite entertaining!
Bonded over having a similar taste in comics, as well as both coming from large families. So naturally they're dating each other now.
They have a lot in common and it’s nice to get away from the family once in awhile for dates!