Dolmen X(2018)

Feature film based on manga series "Dolmen X" by Yuna Takagi. Leader, Ichii, Nii, Sai and Yoi are aliens who have come to invade Earth. They are looking for a way to invade the planet without having war. To make themselves feel better, Yoi takes the group to a live male idol group concert. The aliens are impressed and decide to become top idols to invade Earth. They call their idol group 'Dolmen X.'