Okay so let's get in all the tea of Shio... It's a lot
So, Shio overall has been dealing with Cho's parent's death as they died via cancer as it runs in the family. Overall, she has been dealing with that and been telling Andy, however Andy once, in the past, emotionally cheated on Shio which caused her to be on the edge since she didn't care of a poly relationship as she was that chill. But.... Who DOES THAT???
However, Andy broke up with Shio over the phone, which caused Shio angered, sad, and upset because who does that over the phone..? NO one when someone told someone that they're dealing with a crying child. On top of that she did an oath to Andy via family, basically saying that she'd stand with them until the day she dies which is why her bio fam is lowkey mad at Andy. So, Shio was the sole reason of two families about to beat up Andy, and to break off an alliance, maybe more kids if she told the ones that were like kids to her wanting to do some witch hunt. (Some who saw the Onrain post may know about it before she deleted the post)
Shio then accepted Andy again since bro hasn't been eating or has been sleeping, but always has rifts whenever Vannie is brought up by Andy. Her main plan is to make sure Andy is getting better and maybe breaking it off after since, she's slowly realizing how toxic the relationship was even with the many sacrifices she done for Andy, this includes not making friends as Andy got jealous whenever she made lil pet-names for her friends, this was evident her calling her adopted daughter 'lovebug' and slowly starting to second guess things to the point of her being like "Do I even want to get married, should I? For the kids and the sake of Andy's safety?" Yada Yada. The Sidorovs knows like... 90% of the story because of the random crisis of Andy or Shio breaking it off.
And Shio is keeping this all away to make her kids happy which is wild..