According to Anime!Anime!, CoMix Wave has announced a new OVA "Kono Danshi, Uchujin to Tatakaemasu. (This boy can fight with aliens.)" It will be released at Animate shops on September 20th.

Konodan anime official website
Screenshots

The director is a 21-year old rookie creator Yamamoto Sobi. She was inspired by Voices of a Distant Star when she was a junior high student and has created many independent short anime, one of which won the grand prize in the 8th Weekly Ascii Short Movie Contest.

Cast
Kakashi: Kimura Ryohei
Arikawa: Toyonaga Toshiyuki
Shiro: Hirakawa Daisuke

Synopsis:
A yaoi-tasted sci-fi anime. The "Sekai (World)" has been under attacks by aliens. One day, Arikawa, one of the staff of the provisional headquarter for the invading aliens, finds a high school boy Kakashi, who is lying on a hill with his memory lost. Kakashi is found to have a power to beat the aliens and starts living together with Arikawa and his boss Shiro. Kakashi gradually gets used to the strange life but the relationship among the three breaks up when Kakashi loses his motivation to fight with the aliens.

Source: Anime!Anime!

Kono Danshi, Uchuujin to Tatakaemasu. on MAL