【Free Download】Hot Spring (Onsen) Background Illustration (Wide Format) — Copainter Users: Free to Use, Commercial Use Allowed

We’re releasing a free hot spring (onsen) background illustration set (wide / 16:9). These wide-format assets are especially useful for PC-oriented projects.
The set also includes time-of-day variations, making it extremely convenient for production.

Please feel free to use them for webtoons, games, manga, and commercial projects including advertisements.
Commercial use is allowed and free of charge. Tracing and edits/additions are also permitted.

Please save the images posted on this page as-is and use them. The license terms are listed at the end of this post.

File Details

• Format: PNG (non-transparent)
• Aspect ratio: Wide
• Resolution: 1344 × 768 px
• How to download: Save each image below as-is.
  Note: A bulk ZIP download is not provided.

Hot Spring (Onsen) Manga/Anime Background Illustrations (Download Available)

Onsen Town and Open-Air Bath Surrounded by Cherry Blossoms | Onsen Background Asset
Full-bloom sakura and rising steam create a calm, atmospheric mood.

Onsen Town and Open-Air Bath at Dusk | Onsen Background Asset
Buildings and baths wrapped in sunset colors portray a quiet, relaxing time of day.

Onsen Town and Open-Air Bath on a Moonlit Night | Onsen Background Asset
Moonlight and warm lanterns create a serene, fantastical nighttime atmosphere.

Open-Air Bath and Bathhouse Surrounded by Nature | Onsen Background Asset
An outdoor bath surrounded by mountains and trees, evoking a secluded “hidden hot spring” vibe.

Open-Air Bath and Onsen Facility at Twilight | Onsen Background Asset
Soft evening light and drifting steam emphasize a soothing, healing space.

Night Open-Air Bath with Lantern Light | Onsen Background Asset
Lantern reflections on the water create a quiet, elegant nighttime mood.

Open-Air Rock Bath Surrounded by Cherry Blossoms | Onsen Background Asset
Sakura and a stone bath highlight a calm, traditional Japanese atmosphere.

Open-Air Bath in an Onsen Town Under a Sunset Sky | Onsen Background Asset
A sunset-wrapped onsen town—well suited to story-driven scenes.

Mountain Onsen Town and Riverside Open-Air Bath | Onsen Background Asset
The harmony of river flow and town scenery evokes a strong sense of travel.

Multiple Open-Air Baths Scattered Through a Bamboo Grove | Onsen Background Asset
A composition that conveys the overall atmosphere of an onsen area with many baths.

Terraced Open-Air Baths with Mountains at Sunset | Onsen Background Asset
Sunset mountains and tiered baths create an open, restorative landscape.

Open-Air Bath Group in the Mountains on a Moonlit Night | Onsen Background Asset
Moonlight and starlight illuminate the baths for a quiet, magical night mood.

Daytime Open-Air Baths Surrounded by Nature | Onsen Background Asset
Baths under a blue sky create a fresh, healthy onsen setting.

Onsen Facility and Open-Air Bath at Dusk | Onsen Background Asset
Soft evening light and steam leave a calm, relaxing impression.

Night Onsen Facility with a Lit Open-Air Bath | Onsen Background Asset
Lantern light and steam create a mature, atmospheric onsen space.

Onsen Inn and Open-Air Bath in a Daytime Bamboo Grove | Onsen Background Asset
A bamboo grove and wooden architecture emphasize classic Japanese charm.

Bamboo Grove and Onsen Inn Open-Air Bath at Dusk | Onsen Background Asset
Sunset and bamboo create a deeply atmospheric time-of-day scene.

Bamboo Grove and Onsen Inn Open-Air Bath at Night | Onsen Background Asset
A moonlit bamboo grove conveys stillness and healing.

Riverside Onsen Town and Open-Air Bath | Onsen Background Asset
A river, bridge, and onsen town combine into an easy-to-use travel-themed background.

Riverside Onsen Town at Sunset | Onsen Background Asset
Sunset colors and river flow enhance storytelling and emotion.

Onsen Town and River Under Moonlight and Stars | Onsen Town Background Asset
Moonlight and town lights reflecting on the river create a quiet, dreamy night scene.

Daytime Mountain Onsen Town and River | Onsen Town Background Asset
An open, tourist-destination vibe under blue skies and mountain scenery.

Onsen Town and Riverside Streets at Dusk | Onsen Town Background Asset
Buildings tinted by sunset emphasize a warm, atmospheric time of day.

Moonlit Onsen Town with a Bridge | Onsen Town Background Asset
A bridge lit by moonlight adds a strong narrative feel.

Onsen Inn Gate Surrounded by Bamboo | Onsen Inn Background Asset
A wooden gate and bamboo grove evoke the entrance to a hidden hot spring.

Bamboo Grove and Onsen Inn Gate at Dusk | Onsen Inn Background Asset
A quiet, warm evening scene wrapped in sunset light.

Onsen Inn Gate at Night in a Bamboo Grove | Onsen Inn Background Asset
A gate floating in moonlight creates a calm, mysterious impression.

Onsen Inn Entrance in a Daytime Forest | Onsen Inn Background Asset
A gate and small stream among trees depict a nature-rich onsen entrance.

Forest and Onsen Inn Gate at Sunset | Onsen Inn Background Asset
Sunset light adds a magical mood to the forest and gate.

Onsen Inn Gate and Forest Under a Full Moon | Onsen Inn Background Asset
Full moonlight and a silent forest—great as a “story begins here” backdrop.

How to Use in copainter

Mass-produce variations with the AI Assistant
Download the images above and import them into copainter as reference images. You can optimize them for your work by changing the time of day (morning/evening/night), replacing the sky, and adding props.

Upscale to 4000 px or more with the Upscaling AI
Using the Upscaling AI, you can increase the resolution to a size suitable for most projects.
https://www.copainter.ai/ja/upscaling

Convert into manga-friendly backgrounds with the Inking AI
Load the image as a reference in the Inking AI to generate simplified lines that work well for manga backgrounds. Try selecting different pen touches to create a more original look.
https://www.copainter.ai/ja/inking

Change the aspect ratio with the AI Assistant
If you like an illustration but the aspect ratio makes it hard to use, you can ask the AI Assistant to adjust the aspect ratio for you.

Terms of Use (License)

• Eligible users: copainter subscribers
• Permitted use: Only for works created using copainter (commercial use allowed / free to use)
• Modifications: Allowed (cropping / redraws / color changes / vectorization, etc.)
• Credit: Not required
• Prohibited: Redistribution or sale of the assets themselves / claiming as your own / commercial use outside copainter
• Disclaimer: The provider assumes no responsibility for any damages or issues arising from the use of these materials.

FAQ

Q. I want higher-resolution materials.
A. Use copainter’s Upscaling AI. You can upscale up to 4× in both width and height, making it suitable for commercial use.

Q. Can I use these outside copainter?
A. If you are a copainter subscriber and use them for works created using copainter, commercial use is allowed and free of charge. Edits using external services are also fine as long as the purpose is to use them in works created with copainter. As long as copainter is used for some part of the production process, it is allowed.

Q. Can I use these in commercial projects?
A. Yes, if the work is produced using copainter, commercial use is allowed. You do not need to create the entire work solely with copainter. Redistribution or resale of the assets themselves is not permitted.

Q. Are there other free pose collections?
A. Yes. Please refer to the following:
https://blog.copainter.ai/tag/assets-en/

If you haven’t used copainter yet, this is a great opportunity—please sign up for copainter using the link below!

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