I know, right? Like, it’s a very small step away from canon which are my favorite kind of AUs.
I’m not sure how much Sai would want to be involved in putting seals on people (given his own childhood trauma) but I do think he would flourish fabulously in the flower shop as Ino’s assistant (that frequently has to step up to the register because Ino has gone across the street to hang out with Shikako).