Ren'ai, Karichaimashita by ASa Project jap

Due to some circumstances in the family of the protagonist, he constantly worked part-time until late at night.
His goal was to finish school as soon as possible and get a permanent job.
He believed that only "money will make his little sister happy"
Once his younger sister went to work, she told him: "if Yuuki does not go to university after school, then I will not go ..."
- He knew that he could not, at such a crucial moment, put the whole burden on his younger sister.
So, in order to collect the necessary amount of money for admission to the university, Yuuki registered on the site "rent for hire."
This site seemed extremely suspicious, but desperate times require desperate measures.
He begins his new job ... and for some reason, a girl from his class asks him to pretend to be her boyfriend.
Then he was hired to pretend to be a woman’s lover, a girl’s friend and even an older brother for a pair of twins!
Details of his fake relationship with these girls begin as soon as he takes his money!