Hanayome wa Juunanasai

Born as the youngest of five siblings, Sakurako is 17 years old and attends an all-girls school. However, her true identity is actually… a man! Sakurako was raised as a girl by her mother who wanted a daughter, but her mother's outrageous behavior didn't stop there. Because she wanted to see Sakurako in a wedding dress, she decides to arrange for Sakurako to marry her best friend's son! Femboy high-schooler Sakurako's newlywed life?! (Source: Prism Bunko, translated)