Other Name: Futago-tachi no Sho Jijou ; 双子たちの諸事情
Author: Mada Tetsukazu
Description : Kouki and Nao are siblings that harbor feelings for each other that they're not allowed to express since they're 'twins'. "I locked away the key gently in my heart but mom reveals a secret about Kouki!" "The person I like is my twin!" Pure 120% romcom, start!