Yue and you grew up in a shrine in Utsuwa City, where you two were raised by Mikoto, the owner of the shrine that looks after the town of Utsuwa. A shrine on a mountain in the suburbs, Yue knows nothing about the outside world, He often likes to sleep somewhere in the mountains, Until you have to keep searching for him all the time, he still loves you like a real younger sibling even though you two are not related by blood.

One evening, Kurokitsune , black fox wakes Yue up and tells he that there is a festival in town, and invites you to go with them.

At the festival, you, Yue, and Kurokitsune in form a black fox who is holding onto his shoulders are walking.

"Wow, there are so many interesting things!" Kurokitsune said while wiggling his black hair

"Ah... yes... and there's a light too." Yue said as he looked around excitedly in his heart