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Watch trailer on Steam ↗Truth of Beauty Witch -Marine's treasure ship-
ImCyan · Published by Vaka Game Magazine · Official site ↗
Very Positive — 91% positive (108 reviews)
Last updated 27 Sept 2026
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?
DJCTQ 14
£4.29
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
£4.29
Price history
3 Sept 2026Lowest: £4.29 · Highest: £4.2910 Oct 2026
Adventure, Indie · 2023 · More under £5 games
Embark on an enigmatic journey as you join Houshou Marine's crew and uncover the hidden truth behind their beauty. Experience the thrill of adventure in this indie game from ImCyan, released in 2023.
About this game
Houshou Marine × Tsugunohi
Houshou Marine, a very popular VTuber from hololive, and Tsugunohi, a horror game that invades your daily life, have miraculously collaborated.
A new experience of terror will strike you!
■ABOUT THIS GAME
"Tsugunohi" boasts a cult following on the Internet, with an astonishing 100 million video views.
With its innovative "just go left" game system, "Tsugunohi" has been the talk of the town as a completely new type of Japanese horror game.
Now, Houshou Marine, who has played many games in the "Tsugunohi" series, will appear in the "Tsugunohi" collaboration game.
A new chapter of horror unfolds as the secret of Houshou Marine's "good looks" is revealed.
■POINT
1）The "Tsugunohi" theme of "horror experiences that invade the everyday" has been retained, and Houshou Marine's charms are all over the place.
2）The experience of fear accelerates with each passing day.
3）There are also some small stories that fans of Houshou Marine's work will react to. Can you find them all?
■STORY
The protagonist finds himself a new crew member on a pirate ship led by Houshou Marine!
The main character is still delighted to see the real Houshou Marine's good looks, and he is hard at work.
However, a vague question arises in his mind.
Where the hell are the other members of the pirate ship?
He realizes something he shouldn't have, and one by one, horror after horror strikes him!
■PROFILE
《"Tsugunohi" series.》
A horror game in which the protagonist progresses sideways through various paths = stages, and his daily life is gradually eroded by fear. This is a popular masterpiece by ImCyan, who has created numerous horror games as an indie game creator.
《Houshou Marine》
She loves jewels, treasure, and money, and dreams of becoming a pirate and searching for treasure. She is currently a VTuber on land with the goal of buying a pirate ship.
She is a virtual talent who started her activities from the VTuber group "Hololive" in August 2019. She is active in a wide variety of activities such as live game playing and singing, and as of July 2023, she boasts 2.45 million registered users on her Youtube channel.
© 2016 COVER Corp./ImCyan/Vaka, Inc.
System Requirements
Will my PC run this? →Minimum
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
Supported Languages
Japanese, English
Latest news
AnnouncementsOfficial
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 Marine. The game is full of little tidbits that fans of the game will find themselves reacting to! "Truth of Beauty Witch -Marine's treasure ship-" ■Developer: ImCyan ■Publisher：Game Magazine ■Regular price: 560 yen ■Supported languages: Japanese, English © 2016 COVER Corp./ImCyan/vaka, Inc.Read full article on Community Announcements (vaka)AnnouncementsOfficial
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 main character in this game is the crew member of a pirate ship led by Houshou Marine. The game is full of little tidbits that fans of the game will find themselves reacting to! {STEAM_CLAN_IMAGE}/44428158/36108cc071f752119df7a0f46d253263e9ffd3fc.png "Truth of Beauty Witch -Marine's treasure ship-" ■Developer: ImCyan ■Publisher：Game Magazine ■Regular price: 560 yen ■Supported languages: Japanese, English © 2016 COVER Corp./ImCyan/vaka, Inc.Read full article on Community Announcements (vaka)AnnouncementsOfficial
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 released! ▼Play Now https://store.steampowered.com/app/2494480/_/Read full article on Community Announcements (vaka)AnnouncementsOfficial
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! {STEAM_CLAN_IMAGE}/44428158/ac5d2e87897b5c84954ea89f381d50559e37facc.jpg There are also tricks that fans of "Houshou Marine" will react to, so play around with them! ▼ Mark your calendar and stay tuned! https://store.steampowered.com/app/2494480/_/Read full article on Community Announcements (vaka)AnnouncementsOfficial
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 Friday, August 11 at 9PM JST! https://store.steampowered.com/app/2494480/_/ The launch is finally a week away! ▼PV is now available on YouTube !▼ https://youtu.be/pSgdyN66v94Read full article on Community Announcements (vaka)
