As a substitute for the older sister (me), Yuta Iga was ordered to take part in the school trip to a girls’ school.
The mission is to leave as many forms as possible as sisters, I am on the graduation album photo.
Yuta, who does not have a veto, is given a uniform and wig and makeup as said by me, and disguised as me.
In this way, a man only wore Yuta’s clothes on women, and a school trip filled with women opened the door.
With the support of my best friend Koshi, Saori Kasahara, who only knows the situation, the trip will continue without difficulty.
However, at night, and the scene where Yuta entered the men’s bath room would be witnessed by a beautiful girl, Natsume Luna.
Luna is one of the “Big Three Stars” who are known to be cruel and known as “Princess Shura”. Yuta reluctantly explained the situation to Luna