Himitsu no Tobira no Kugurikata
ヒミツの扉のくぐり方
-Description
Chika Terashima is a 10th grader that wants a prince like in shoujo manga. One day, Chika and her twin brother Shohei switched bodies. Since they both go to a school with only 1 gender, they both have chance to find their true love. Source: MU Extra chapter from Me & My Brothers volume 4.