It was announced that puzzle game Luna-tan: Kyojin Luna to Chitei Tanken will get a short anime by the title of Luna-tan: 1-man Nen no Himitsu. The anime will begin streaming online in April 2017, and will be distributed on smartphones. More information regarding the streaming service will be announced during AnimeJapan 2017.

Synopsis
There was a land that kept the prosperity of the world using the energy Mana of the titans called Luna. However, when a tsunami struck the world, the land was destroyed. The story takes place ten thousand years after the huge tsunami in the underground. Mokugyo and Toriiruka are the main characters, who are strange animals. "Why are we here?" "I thought we were in somewhere peaceful..." What exactly happened ten thousand years ago? Can Mokugyou and Toriiruka safely return to the surface?

Cast
Mokugyo (Wooden fish): Katsuyuki Konishi (Hetalia Axis Powers)
Toriiruka: Tomoko Kaneda (Oshiri Kajiri Mushi (TV))
Harry: Kazutomi Yamamoto (Mobile Suit Gundam AGE)
Yona: Houko Kuwashima (Allison to Lillia)

Staff
Original Plan: Kenichi Nishi
Original Design: Kazuyuki Kurashima
Director: Haruki Kasugamori (Keroro)
Character Design: Shiori Asaka
Art Director: Yoshihito Watanabe (Digimon Adventure)
Sound Director: Takumi Itou (Tantei Team KZ Jiken Note)
Music: Kyouhei Matsuno
Studio: Signal. MD
Production: NTT Plala, Signal. MD

Image Song: "Dreamy Lights" Rie Murakawa

Official site: http://game.hikaritv.net/feature/lunatan/anime/

Source: Famitsu

Luna-tan: 1-man Nen no Himitsu on MAL