Anata no Shiranai Kangofu - Season 1

During a routine hospital stay for medical tests, the main character receives attentive care from the nursing staff. This professional kindness inadvertently fuels a growing sexual desire within him. He begins to fantasize about the nurses fulfilling these urges. His fixation escalates after he receives an anonymous email posing a provocative question about the fate of women who suffer complete sexual violation. This message acts as a catalyst, pushing him to act on his impulses. He subsequently begins to sexually assault the nurses.