The OVA, bundled with the special edition version of the seventh manga volume, will tell an "other side" story centered on Mafuyu Satou and Ritsuka Uenoyama that wasn't featured in the movie.

In the vast and wild fairyland, the culture of cultivating immortals prevails, and mortals are proud to become cultivators. College student, Lu Hangzhi, transmigrated from the modern times and became a mortal servant in Ziyun Town. He lived a life of treading on thin ice every day, but he refused to accept his fate and worked hard to get rid of his status quo and strived to get ahead. Later, because of a good deed, he was appreciated by Zhu Fuqin, the eldest lady of the Zhu Mansion, and his senior brother Leng Wuya. With unremitting efforts, he passed many tests and joined the Xuanxin Sect. He was promoted from an outer disciple to an inner disciple, and was even favored by the deputy head Chen Ji and took him in. He cut his way through obstacles and moved forward on the road of cultivating immortals.

Jinta Yadomi is peacefully living as a recluse, spending his days away from school and playing video games at home instead. One hot summer day, his childhood friend, Meiko "Menma" Honma, appears and pesters him to grant a forgotten wish. He pays her no mind, which annoys her, but he doesn't really care. After all, Menma already died years ago. At first, Jinta thinks that he is merely hallucinating due to the summer heat, but he is later on convinced that what he sees truly is the ghost of Menma. Jinta and his group of childhood friends grew apart after her untimely death, but they are drawn together once more as they try to lay Menma's spirit to rest. Re-living their pain and guilt, will they be able to find the strength to help not only Menma move on—but themselves as well? [Written by MAL Rewrite]

Ever since her late mother took her to an aquarium when she was young, Tsukimi Kurashita has been obsessed with jellyfish, comparing their flowing tentacles to a princess's white dress. Now living with five other unemployed otaku women, 19-year-old Tsukimi spends her days as a social outcast dreaming of becoming an illustrator. However, her life changes forever when one day, a beautiful woman unexpectedly helps her save a jellyfish in a local pet store. From then on, the stranger—confident, fashionable, and the complete opposite of Tsukimi and her roommates—begins to regularly visit the girls' building. This trendy hipster, though appearing shallow at first, harbors some secrets of her own, starting with the fact that "she" isn't really a girl at all, but a wealthy male college student named Kuranosuke Koibuchi! [Written by MAL Rewrite]