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Truth of Beauty Witch -Marine's treasure ship-
A miraculous collaboration between Houshou Marine and "Tsugunohi" has come to fruition! When the main character becomes a crew member of a pirate ship led by Houshou Marine and realizes a certain fact, you are struck by a series of horrors. Can you unravel the secret behind Houshou Marine's beauty?
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.
“Truth of Beauty Witch -Marine's treasure ship- is a compact Japanese horror adventure that takes the familiar side-scrolling unease of the Tsugunohi style and combines it with the colorful personality of VTuber Houshou Marine. Developed by Vaka Game Magazine and ImCyan and…”
— a player, Steam review · 12 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Sale Now On!
The popular Japanese horror game "Tsugunohi" and the popular Vtuber Houshou Marine have collaborated on this game! The main character in this game is the crew member of a pirate ship led by Houshou Ma
Steam Spring SALE 2025 Now starting!
https://store.steampowered.com/app/2494480/ Period: 3/14 2:00 - 3/21 2:00（JST） The popular Japanese horror game "Tsugunohi" and the popular Vtuber Houshou Marine have collaborated on this game! The ma
Released now! : Truth of Beauty Witch -Marine's treasure ship-
Released now! : Truth of Beauty Witch -Marine's treasure ship- "Tsugunohi" and "Houshou Marine's treasure ship-" collaboration game "Truth of Beauty Witch -Marine's treasure ship-" has finally been re
At last Tomorrow! : Truth of Beauty Witch -Marine's treasure ship-
"Tsugunohi" and "Houshou Marine" collaboration game "Truth of Beauty Witch -Marine's treasure ship-" will finally be released tomorrow, August 11 at 9PM JST! There are also tricks that fans of "Housho
1 more week：Truth of Beauty Witch -Marine's treasure ship-
"Truth of Beauty Witch -Marine's treasure ship-" is a gorgeous collaborative game by Tsugunohi and Houshou Marine. The collab game "Truth of Beauty Witch -Marine's treasure ship-" will be released on
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-28.
| Genres | Adventure, Indie |
| Player tags | Adventure · Side Scroller · Action-Adventure · Realistic · Souls-like · Anime · Cinematic · Cute · 2D · Horror · Dark · Psychological Horror (SteamSpy community voting) |
| Features | Single-player · Family Sharing |
| Languages | Japanese, English |
| Official site | https://www.gamemaga.jp/tsugunohi/game/ |
Minimum system requirements (PC)
Minimum: OS: Windows 10 Processor: Intel Core2 Duo or higher Memory: 2 GB RAM Graphics: Open GL compliant video card Storage: 1 GB available space