Pretty Wimps
The seme is a high school student in his last year, his crush is his homeroom teacher, the uke. The uke (teacher) actually has a pretty big secret, that he cross dresses in woman clothes and underwear when he is at home, he also collects cute things. The seme finds out when he confesses his love and says it doesn't change how he feels for uke. They get together on weekends and both cross dress and do eachothers makeup.
Shisen no Toriko
(1) Uke cross dresses because he loves it when people look and stare at him lustfully. His coworker, the seme, who he likes finds out and they become lovers (2) uke wants to have sex with his teacher that he is close to, the seme. But his teacher likes another student (3) straight uke tries experimental sexual things with a gay friend
It's Not That I Want to Wear Women's Clothing