Boku wa Tomodachi ga Sukunai Shobo-n! is a spin-off comic series written by Kazehana Chiruwo and illustrated by Shirabi. It's a collection of oneshots focusing on the members of the Neighbor's Club and their relationships with each other.
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aka: Katapira Operetta
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by Shou Kitagawa(Drama, Psychological, Seinen, Slice of Life, 3 volumes, 31 chapters)