The official website for the We Never Learn: BOKUBEN anime is listing that the show's second season will have six home video releases and 13 total episodes.
The second season premiered in Japan on Saturday. Funimation, Crunchyroll, and HIDIVE are all streaming the series.
The first season premiered on April 6. Aniplex of America has licensed the anime, and is streaming the anime on Hulu, Crunchyroll, and FunimationNow.
The franchise's first OVA will ship with the manga's 14th volume on November 1.
Source: We Never Learn: BOKUBEN anime's website via Ota-Suke