# WebtoonLib — Sakamoto Days #81

## Series
- title: Sakamoto Days
- slug: sakamoto-days-301993

## Chapter
- number: 81
- chapter_key: 81
- release_date: 2025-05-29

### Summary
The focus shifts to Natsuki Seba, the head of the JCC's Weapon Production Department, who is being blackmailed by Slur's organization. With his brother Mafuyu held hostage, Natsuki is coerced into acting as a traitor to erase the JCC's database. As the tension builds, Sakamoto has a comically panicked reaction to encountering his formidable old teacher, Etsuko Satoda, while Shin continues to be hilariously unsubtle about their undercover mission. It appears a new trio is forming as Sakamoto and Shin team up with the conflicted Natsuki to save his brother.
- summary_source: graph_aggregator
- summary_verification: unverified

### Characters involved
- Shin Asakura — Main
- Mafuyu Seba — Supporting
- Natsuki Seba — Supporting

## Spoiler
- level: auto

### Safe teaser
The focus shifts to Natsuki Seba, the head of the JCC's Weapon Production Department, who is being blackmailed by Slur's organization.

### Spoiler summary
The focus shifts to Natsuki Seba, the head of the JCC's Weapon Production Department, who is being blackmailed by Slur's organization. With his brother Mafuyu held hostage, Natsuki is coerced into acting as a traitor to erase the JCC's database. As the tension builds, Sakamoto has a comically panicked reaction to encountering his formidable old teacher, Etsuko Satoda, while Shin continues to be hilariously unsubtle about their undercover mission. It appears a new trio is forming as Sakamoto and Shin team up with the conflicted Natsuki to save his brother.

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

## See also
- [WebtoonLib — Sakamoto Days #81](/series/sakamoto-days-301993/chapter-81)
- for_series_detail: /llms-series/sakamoto-days-301993

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