The series consists of several one-shots and short stories, which were later compiled into a few volumes. However, the exact number of volumes and the completeness of the series can be a bit unclear, as doujinshi works are often released in limited quantities and not always officially published.

Inio Asano is a well-known and acclaimed manga artist, and his works have been widely published and recognized. Some of his notable series include "Solanin", "My Brother's Husband", and "Obeesan".

As for what happened to Doujinshell, the series appears to have been concluded with the release of a few volumes, but the creator, Inio Asano, has moved on to work on other projects.

Doujinshell remains one of his notable works, and fans of the series continue to discuss and share their love for the manga online.

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Doujinshell, also known as Doujin Shell or Shell Shock, was a popular doujinshi (indie manga) series created by Inio Asano. The series is known for its surreal and often disturbing storytelling, exploring themes of psychological trauma, identity, and the human condition.