When Sunset Shimmer was pregnant with Majestic Gleam, she started to be really clingy towards Flash Sentry towards her sixth month of pregnancy. Flash, not wanting Sunset to feel stressed out over him being at work because he knew that it would be bad for Majestic's sake, decided that it was best that he took a break from his job so that he could stay with her. Thankfully, Flash's job allowed him to go on a paid leave of absense because they understood his situation. Sunset tends to overreact when Flash needs to leave for fifteen minutes at the most to take Solar Wind to preschool though. Solar is only four so he doesn't fully understand why Sunset is gets so upset over Flash leaving her just to take him to preschool. It doesn't help that Solar is really close to Sunset which makes him feel awful that he seems to be causing her to be so upset. There is the possibility that Solar could just not go to preschool until Majestic is born but he gets really bored sometimes and has a lot of fun there and Flash and Sunset think him going to preschool will be really good for him to prepare for elementary school. Flash is usually able to calm down Sunset to the point where she understands that he won't be gone long.
The perspective (Solar Wind standing by the front door) turned out a little wonky but other than that I think the background of this drawing looks okay.
My Little Pony: Equestria Girls is (C) Hasbro Studios
Solar Wind, older Flash Sentry and Sunset Shimmer designs are (C) me