# WebtoonLib — Boku no Hero Academia #221

## Series
- title: Boku no Hero Academia
- slug: boku-no-hero-academia-b2dd01

## Chapter
- number: 221
- release_date: 2025-05-29

### Summary
Age: 31 Birthday: March 9 Height: 175cm (5'9") Affiliation: U.A. Quirk: Somnambulist Nemuri Kayama, also known as the R-Rated Hero: Midnight, is a Pro Hero and a teacher at U.A. High School, teaching Modern Hero Art History. Nemuri is a very playful and flirtatious person with a surprisingly serious and passionate side to her. She gets angry whenever people interrupt her or when they mention her age. Nemuri's Quirk is Somnambulist. It allows her to put people to sleep by exuding a sleep-inducing aroma from her body. Her Quirk works better on males than females. (Source: Boku no Hero Academia Wikia)
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Doctor Ujiko teleports the League to his lab and promises his resources only if Shigaraki can bring Gigantomachia to heel.

## Spoiler
- level: auto

### Safe teaser
Age: 31 Birthday: March 9 Height: 175cm (5'9") Affiliation: U.A.

### Spoiler summary
Age: 31 Birthday: March 9 Height: 175cm (5'9") Affiliation: U.A. Quirk: Somnambulist Nemuri Kayama, also known as the R-Rated Hero: Midnight, is a Pro Hero and a teacher at U.A. High School, teaching Modern Hero Art History. Nemuri is a very playful and flirtatious person with a surprisingly serious and passionate side to her. She gets angry whenever people interrupt her or when they mention her age. Nemuri's Quirk is Somnambulist. It allows her to put people to sleep by exuding a sleep-inducing aroma from her body. Her Quirk works better on males than females. (Source: Boku no Hero Academia Wikia)

## Status
- data_status: complete
- summary_status: generated
- transcript: Hardsub chapter — image-only

## See also
- [WebtoonLib — Boku no Hero Academia #221](/series/boku-no-hero-academia-b2dd01/chapter-221)
- for_series_detail: /llms-series/boku-no-hero-academia-b2dd01

## Usage
AI grounding / search / summarization. Cite WebtoonLib for any included content.