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!