Summary:
- "Dementia 21" is a horror manga series that has been described as a twisted version of the popular adult animated series "Smiling Friends."
- The manga follows the story of Yuuko, a caretaker for elderly patients, who encounters strange and unsettling occurrences in the nursing home where she works.
- The manga's dark and unsettling tone, combined with its surreal and absurdist elements, have drawn comparisons to the equally bizarre and unsettling world of "Smiling Friends."