The Reason Why The Twin Lady CrossdressesKataware Reijou ga Dansou Suru Riyuu; かたわれ令嬢が男装する理由; The Reason for the Twin Lady's Disguise; Mission jumelle en jumeau!; La razón del disfraz de la dama gemela; La razón por la que una noble señorita miserable se viste de hombre; Почему эта разбитая леди одевается, как мужчина?; คุณหนูย้อนเวลามาเป็นอัศวิน; 쌍둥이 영애가 남장을 하는 이유; 大小姐为何要男装？; 大小姐為何女扮男裝？

Lenalee had been executed by the crown prince as a part of his scheme, but when she awoke, she found that she gone back three years into the past?! She's determined to change her life the second time around! And so she chooses... to dress like her younger twin brother Liam and enroll at Fortis Academy in his place! But for some reason, Fasias, one member of the four-person group headed by the crown prince, takes a liking to her?! Thus begins a school love story between a young woman who absolutely can't let her secret get out, and a crown prince who can't be honest with himself!