Human Farm Investigation Character Roster

Roster purpose

This page lists major characters in Human Farm : Investigation : with roles, primary locations, and links to deep dives. Use it as a bookmark when reading Story Overview or marking Scene Checklist entries.

Game: Steam app 3953160, developer とっくり海月, publisher 072 Project, release August 7, 2026. Third series entry after Rehabilitation and Practice Section.

Main cast table

Iori — protagonist

Role: Undercover policewoman infiltrating the farm.

Locations: Underground farm, city districts, cafe hub.

Wiki: Iori profile

Player note: Cover maintenance and investigation reporting define routes more than single romance flags.

Maria — handler and cafe operator

Role: Police handler coordinating strategy; operates cafe front.

Locations: Cafe Hub, city.

Wiki: Police Allies

Route note: Maria chains gate evidence and some true-ending prerequisites.

Rui — field support

Role: Field agent with overlapping but distinct objectives from Maria.

Locations: City quests, occasional farm liaison scenes.

Wiki: Police Allies

Route note: Maria vs Rui emphasis splits mid-game support bonuses — Ending Routes.

Tsubaki — station liaison

Role: Police contact for deadlines, paperwork, raid timing.

Locations: Remote messages, debrief scenes, station visits when unlocked.

Wiki: Police Allies

Route note: Skipping Tsubaki quests blocks multiple endings.

Aina — farm resident

Role: Farm worker tied to farm RPG routines.

Locations: Underground Farm

Wiki: Farm Cast

Route note: Daily tasks with Aina affect suspicion if neglected.

Karen — farm resident

Role: Farm worker; paired content with Aina and social evenings.

Locations: Underground farm dorm areas.

Wiki: Farm Cast

Route note: Several story events require prior farm day completion.

Boss — pastry chef manager

Role: Manages farm operations and kitchen; authority figure for cover.

Locations: Kitchen, admin areas.

Wiki: Farm Cast

Route note: Defying Boss raises suspicion — Investigation Mechanics.

Alice — singer

Role: City performer connected to investigation side plots.

Locations: City venues — City Locations

Wiki: Farm Cast (city-focused sections)

Route note: Multi-day city chain; missing days delays scenes.

Supporting NPCs

Background farm staff, city pedestrians, and police extras appear without gallery entries. This roster covers named characters tied to mechanics or story events.

Age and content policy

All listed cast involved in detailed content are twenty or older. Guides focus on gameplay relationships, not gratuitous description.

Using the roster in play

1. Mark first appearance days on personal calendar during Story Overview playthrough
2. When Scene Checklist shows a name, open their wiki section
3. Before true ending push, verify each mandatory character chain in True Ending Checklist

Related pages

• Characters hub
• How to Unlock Scenes
• Map hub

The roster is your cast index — follow links for route depth.

Keep this characters › roster page open beside your Steam save list when comparing flags across days.

Roster cross-reference habit

Open character pages in tabs matching your active quest log names. Localization varies display strings; wiki English names match Steam achievement text and most community checklists.

Name localization note

Steam UI may show alternate spellings for Alice or Boss titles. Wiki English names match achievement strings and most fan checklists.

NG+ roster usage

On second playthrough, sort character tabs by handler deadline risk first, then farm evenings, then Alice optional chain.

Quick reference cards

Keep one-line role notes per character beside your save labels during first playthrough.

Steam achievement names

Achievement text uses English character names even when playing in Japanese or Chinese — match wiki tabs to client strings when hunting missables.

Handler trio reminder

Maria, Rui, and Tsubaki each gate different ending prerequisites — open Police Allies before mid-game splits.