Itsuka, Yoake no Sora de Matteru.  

I'll be waiting under the dawn sky., いつか、夜明けの空で待ってる。, Someday,I'll be waiting under the dawn sky.

Hoshino is a highly skilled student with a passion for space exploration and the supernatural. while on his way to school, he encountered a reserved girl who was engrossed in an occult publication. inspired by their mutual fascination, he struck up a conversation with her. their connection was instantaneous, leading him to invite her out on a date.