On a rainy day when Noa forgot to bring her umbrella, the ill-tempered & rude Takagi-senpai helped her out. Since then, Noa has been following Takagi Ren like his pet dog...

Lee Wee-jin normally endures each of his high school days as a servant to his perfect sister Lee Wi-na. However, he has a secret he can't share with anyone—that he can materialize his delusions as he pleas...