Hikikomori (Japanese: ひきこもり or 引きこもり, lit. "pulling inward, being confined"), also known as "acute social withdrawal", is total withdrawal from society and seeking extreme degrees of social isolation and confinement. Hikikomori refers to both the phenomenon in general and the recluses themselves.

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This book is a collection of 11 short stories edited by Neda Aria with an introduction by Lauren Sapala on topics of isolation, discrimination, and depression. This is the second book of Creed of Slaves Book Series.