Bokutachi wa Benkyou ga Dekinai OVA  

We Never Learn OVA, ぼくたちは勉強ができない OVA, Bokutachi wa Benkyou ga Dekinai: Nagisa ni Usemono Arite Senjin wa Enzen to [X] Suru, ぼくたちは勉強ができない「渚に失せものありて先人は艶然と[X]する」, Bokutachi wa Benkyou ga Dekinai OVAs, Boku-tachi wa Benkyou ga Dekinai OVA, Bokuben OVA

The limited edition volumes 14 and 16 come with the first episode of the anime, which focuses on Yuiga and Asumi pretending to go on a date at the beach in chapters 48-49. In the second episode, all five main female leads will be part of a wedding ceremony.

Bundled with the limited edition of the manga's 14th volume.