From Truck-Kun To Part-Time System!

She, *****, the owner of the Isekai Delivery Service, the one who looks after her employees who send humans to the Higher Beings through multiple, different kinds of means, have decided to retire from her current job. Giving her position to one of her most trusted employee, she went to one of the Higher Beings to ask for a more open job. Then, that's how she found herself as a part-time System being! Follow her as she goes to multiple universes as a System Interface, and not as a System for some reincarnated or transmigrated person, but for an already existing herione!! She, *****, will manage her host's stats and rewards, help them grow stronger, and be selfish and cunning, corrupting her host for whatever reasons!! *Images aren't mine!*