Suki Sugiru kara Kanojo Ijou no, Imouto toshite Aishite Kudasai

During the day - a first year high schooler bishoujo. After school - A little sister who only spoils me!? 「Become a rental onii-chan so we can write a little sister type character」- that was the mysterious part time mission given by a game company. Furthermore the client said: 「If you become a littl