THEAnimeHERO
Its recommended to watch the anime first as the OVA takes place after key events of the series. Episodes 1 & 2 feel like extended Nube episodes, however Episode 3 has the feel of a movie. As expected of OVA series, the animation is of higher quality which is more noticeable in the prologue & some scenes. The same goes for the OST being new & performed by Masamichi Amano whose done soundtracks for several OVAs, however the biggest highlight is the last episode which will be explained in more detail down below. Episode 1: Students have been disappearing around campus which is the act of a ghost that hides in the walls. Nube is nearly captured by the ghost as he extracts his soul in the form of a boy Together with his students, Nube must regain his body, save the children, & exorcise this p…
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