If you're looking for manga similar to Our Nishizaki Cavalry Corps, you might like these titles. All recommendations are made by Anime-Planet users like you!
Both of these are gender-bender one-shots about a guy who is forced by his friend(s) to crossdress, resulting in a sexual scenario. If you enjoyed one, you'd like the other as well.
Both of these one-shots are about a male child who is forced into crossdressing by their freind(s), which ends up getting the coerced crossdresser into an unwanted sexual scenario.
Both are also pretty terrible if you ask me, but crossdressing fans should find something to like in these.
Having upset the president of the student council and embarrassing her in many different situations, Tsukasa is forced to do a small "punishment" by the president.