Bokutachi wa Benkyou ga Dekinai! Chapel no Kane wa [X] wo Shukufuku Suru  

We Never Learn: BOKUBEN - The Church Bells Bless X, Bokutachi wa Benkyou ga Dekinai! OVA, We Never Learn! OVA, ぼくたちは勉強ができない！「チャペルの鐘は[X]を祝福する」

The special edition of volume 16 includes an exclusive episode that follows an innovative plotline featuring the participation of characters such as Fumino, Mafuyu, Uruka, Rizu, and Asumi in a wedding ceremony.