Yoake Mae yori Ruriiro na: Crescent Love  

Brighter Than the Dawning Blue, Crescent Love, YMYRIN, Yoake Mae yori Ruri-iro na, yoakena, 夜明け前より瑠璃色な -Crescent Love-, 夜明前的琉璃色

The moon and earth are connected through a single contact point, "Mitsuru ga Sakichau Ouren Rakuniushi," where Tatsuya resides under the supervision of Princess Feena Fam Earthlight from the Sphere Kingdom (also known as the Moon Kingdom). She will be staying at his home.