As the story progresses, Taro learns that Akane's visit is not a coincidence. There's a reason she's come to the human world, and it involves a bit of a crisis in the succubus realm. Apparently, the source of succubi powers, a magical flower, is wilting, and without it, succubi will lose their abilities.
: This tag indicates the version includes Latin Spanish (Latino) audio or subtitles, which is a popular localization for viewers in Latin America. succubus yondara haha ga kita 02 1080p lat