Haganai: I Don’t Have Many Friends – Now With 50% More Fail!

Boku wa Tomodachi ga Sukunai Shobon! is a spin-off of Boku wa Tomodachi ga Sukunai written by Kazehana Chiruwo and illustrated by Shirabi. It's a collection of oneshots focusing on the members of the Neighbour's Club and their relationships with each other.