There are many mangas that involve women cross-dressing as men. You can refer to some of the more popular works: [1]"The Blade of Ghost Destruction": This manga was created by Wuzhi Huju, and it tells the story of Tanjiro who disguised himself as a man to become a ghost hunter in order to save a village that was swallowed by ghosts. 2. Sword Art Online: It consists of three chapters: Sao, Ao, and Sao·Aive. It tells the story of human adventures in virtual reality. The female lead, Kirito, was a game player who disguised herself as a man. 3. Fate/Zero: An adaptation of Shiro's original work, which tells the story of a fictional "Holy Grail War." The female lead, Gilgamesh, was a heroic spirit disguised as a man. 4. Kuroko's Basketball: A manga created by Kuroko Tetsuya tells the story of the basketball player, Kuroko Tetsuya, who was mistaken for a girl in his daily life. 5 "Five Elements of Fog Mountain": A manga created by Wu Shuju, which tells the story of a group of farmers who disguised themselves as men and became thieves in order to save the village. These are some examples of mangas where women dressed as men. Of course, there are many other excellent works that you can choose according to your preferences.