Dol:Men X

A manga that questions the place of talent and effort in the occupation known as "idol." The protagonists are four young men from another planet whose only virtue is their looks. Accompanied by an idol fan-girl, they plot to invade the Earth by becoming top idols. But what looked like a shiny, happy world turns out to be harsher than they expected, with those seemingly cheerful, carefree idols constantly competing with one another.

(Source: Japan Media Arts Festival)