Crabby Cheeri and Cheerless Gabby

 It seems those "special lessons" Miss Cheerilee got from Vice-Principal Luna have paid off. Much to Gabby's chagrin when the teacher tells her to stay after class. That's what you get when you neglect your homework, young lady.

Not quite an adaptation of an EndArt pic, but it definitely takes some inspiration from "BreakForFreshmen". Particularly with the fall uniform with the sleeveless vest and blue panties as well as Gabby's posing.