十三月のふたり姫

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App ID	1798750
App Type	Game
Store Name	十三月のふたり姫／The 13th month
Developer	Kobayashimaru LLC
Publisher	Kobayashimaru LLC
Supported Systems	Windows
Technologies	Unity Engine
Last Changenumber	28850405
Last Record Update	6 May 2025 – 22:38:12 UTC ()
Release Date	2 December 2022 – 15:00:00 UTC ()

❓ 39.91%

21 reviews

In-Game

The famous fairy tale “Sleeping Beauty” is completely reimagined and redesigned as Visual Novel… With a demonic imagination and originality.

Steam price history

Current Price $19.99

Lowest Recorded Price $17.99 at -10% 2 December 2022

Currency	Current Price	Converted Price		Lowest Recorded Price
U.S. Dollar	$19.99	$19.99		$17.99	$17.99 at -10%
Russian Ruble	710 ₽	$8.83	-55.82%	$7.94	639 ₽ at -10%
Kazakhstani Tenge	5200₸	$9.84	-50.73%	$8.86	4680₸ at -10%
Vietnamese Dong	260000₫	$9.88	-50.57%	$8.89	234000₫ at -10%
Ukrainian Hryvnia	415₴	$9.89	-50.52%	$8.89	373₴ at -10%
Indian Rupee	₹ 880	$9.91	-50.41%	$8.92	₹ 792 at -10%
Indonesian Rupiah	Rp 165999	$9.97	-50.09%	$8.97	Rp 149399 at -10%
Philippine Peso	₱615.00	$10.47	-47.58%	$9.43	₱553.50 at -10%
South African Rand	R 185.00	$10.64	-46.73%	$9.58	R 166.50 at -10%
Taiwan Dollar	NT$ 328	$10.65	-46.72%	$9.57	NT$ 295 at -10%
Chinese Yuan	¥ 76	$10.67	-46.58%	$9.61	¥ 68.40 at -10%
Saudi Riyal	40.95 SR	$10.91	-45.38%	$9.82	36.85 SR at -10%
Kuwaiti Dinar	3.35 KD	$10.97	-45.12%	$9.85	3.01 KD at -10%
Chilean Peso	CLP$ 10500	$11.14	-44.26%	$10.02	CLP$ 9450 at -10%
Brazilian Real	R$ 59,99	$11.16	-44.17%	$10.04	R$ 53,99 at -10%
Malaysian Ringgit	RM49.00	$11.67	-41.60%	$10.50	RM44.10 at -10%
Qatari Riyal	43.99 QR	$12.10	-39.46%	$10.89	39.59 QR at -10%
Mexican Peso	Mex$ 227.99	$12.28	-38.56%	$11.05	Mex$ 205.19 at -10%
Colombian Peso	COL$ 47500	$12.33	-38.31%	$11.09	COL$ 42750 at -10%
Thai Baht	฿400.00	$12.41	-37.91%	$11.17	฿360.00 at -10%
Peruvian Sol	S/.43.00	$12.74	-36.24%	$11.47	S/.38.70 at -10%
Singapore Dollar	S$18.50	$14.23	-28.77%	$12.81	S$16.65 at -10%
U.A.E. Dirham	53.00 AED	$14.43	-27.81%	$12.98	47.70 AED at -10%
Uruguayan Peso	$U595	$14.92	-25.35%	$13.41	$U535 at -10%
South Korean Won	₩ 21500	$15.04	-24.72%	$13.54	₩ 19350 at -10%
Japanese Yen	¥ 2400	$15.58	-22.03%	$14.02	¥ 2160 at -10%
Hong Kong Dollar	HK$ 125.00	$16.07	-19.56%	$14.47	HK$ 112.50 at -10%
New Zealand Dollar	NZ$ 28.99	$16.56	-17.12%	$14.91	NZ$ 26.09 at -10%
Costa Rican Colon	₡8500	$16.93	-15.30%	$15.23	₡7650 at -10%
CIS - U.S. Dollar	$18.00	$18.00	-9.95%	$16.20	$16.20 at -10%
South Asia - USD	$18.00	$18.00	-9.95%	$16.20	$16.20 at -10%
Canadian Dollar	CDN$ 25.99	$18.49	-7.49%	$16.64	CDN$ 23.39 at -10%
Australian Dollar	A$ 29.50	$19.30	-3.43%	$17.37	A$ 26.55 at -10%
LATAM - U.S. Dollar	$19.99	$19.99		$19.99	$19.99
MENA - U.S. Dollar	$19.99	$19.99		$19.99	$19.99
Norwegian Krone	220,00 kr	$21.73	+8.72%	$19.56	198,00 kr at -10%
British Pound	£16.75	$22.03	+10.23%	$19.82	£15.07 at -10%
Euro	19,50€	$22.60	+13.09%	$20.34	17,55€ at -10%
Israeli New Shekel	₪73.95	$22.73	+13.71%	$20.45	₪66.55 at -10%
Polish Zloty	91,99zł	$24.94	+24.81%	$22.45	82,79zł at -10%
Swiss Franc	CHF 21.99	$27.31	+36.62%	$24.57	CHF 19.79 at -10%

Valve suggested prices are shown on package pages.

Price history

Initializing price history graph…

Click on a currency name to load price history for that particular currency.

Additional Information

Developer

Kobayashimaru LLC

ReleaseState

released

Publisher

Kobayashimaru LLC

Store Release Date

2 December 2022 – 15:00:33 UTC ()

osarch

empty string

community_hub_visible

Yes

Primary Genre

Adventure (25)

Store Genres

Adventure (25), Indie (23)

Steam Release Date

2 December 2022 – 15:00:00 UTC ()

Store Asset Modification Time

27 July 2023 – 21:13:06 UTC () (1690492386)

library_assets

library_capsule	en,ja
library_hero	en
library_logo	en,ja
logo_position ↴
pinned_position	BottomLeft
width_pct	32.73045507584598
height_pct	41.280316258860154

osextended

empty string

name_localized

schinese	十三月的双人公主/The 13th month
tchinese	十三月的雙人公主／The 13th month

review_score

review_percentage

Detected Technologies (?)

Unity Engine, UnityIL2CPP SDK

Content Descriptors

Some Nudity or Sexual Content (1), General Mature Content (5)

First seen on SteamDB

21 October 2021 – 16:47:20 UTC (), in changelist #12913152

Content Descriptors (Including DLC)

Some Nudity or Sexual Content (1), General Mature Content (5)

Supported Languages

2 Languages	Interface	Full Audio	Subtitles
Japanese	Yes	Yes	Yes
English	Yes		Yes

Assets

Load all asset images

clienticon

99744877387e2d9ee10baa62967bfb449a74dead

clienttga

13da27db2f3060f99abfc3bae4516e62545ffd19

icon

b61a64f3ec773c9040c4b9274c0773c40636421a

logo

a9620c1b61b8784a8cca3d019019d5e803d9a0bd

logo_small

a9620c1b61b8784a8cca3d019019d5e803d9a0bd_thumb

clienticns

86caace87b3c9893da67076139732b36581a2328

small_capsule

english	capsule_231x87.jpg
japanese	capsule_231x87_japanese.jpg

header_image

english	header.jpg
japanese	header_japanese.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image/japanese	library_600x900_japanese.jpg
image2x/english	library_600x900_2x.jpg
image2x/japanese	library_600x900_japanese_2x.jpg
library_hero ↴
image/english	library_hero.jpg
image2x/english	library_hero_2x.jpg
library_logo ↴
logo_position/pinned_position	BottomLeft
logo_position/width_pct	32.73045507584598
logo_position/height_pct	41.280316258860154
image/english	logo.png
image/japanese	logo_japanese.png
image2x/english	logo_2x.png
image2x/japanese	logo_japanese_2x.png

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
page_background	page_bg_generated_v6b.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
library_hero_2x	library_hero_2x.jpg
community_icon	b61a64f3ec773c9040c4b9274c0773c40636421a.jpg
page_background_path	app/1798750
raw_page_background	page_bg_raw.jpg
timestamp	6 March 2024 – 23:52:37 UTC

Trailer 516112 ↴

trailer_name	PV_50sec
trailer_category	0
trailer_480p ↴
video/webm	256917557/movie480_vp9.webm
video/mp4	256917557/movie480.mp4
trailer_max ↴
video/webm	256917557/movie_max_vp9.webm
video/mp4	256917557/movie_max.mp4
microtrailer ↴
video/webm	1798750/516112/667ad259b34df8e6768a5d2f587cef5bf1d232b5/1751032087/microtrailer.webm
video/mp4	1798750/516112/667ad259b34df8e6768a5d2f587cef5bf1d232b5/1751032087/microtrailer.mp4
adaptive_trailers ↴
dash_av1	1798750/516112/667ad259b34df8e6768a5d2f587cef5bf1d232b5/1751032087/dash_av1.mpd
dash_h264	1798750/516112/667ad259b34df8e6768a5d2f587cef5bf1d232b5/1751032087/dash_h264.mpd
hls_h264	1798750/516112/667ad259b34df8e6768a5d2f587cef5bf1d232b5/1751032087/hls_264_master.m3u8
screenshot_medium	256917557/movie.293x165.jpg
screenshot_full	256917557/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	5 December 2022 – 21:14:09 UTC

十三月のふたり姫

Steam price history

Price history

Tags

Categories

Additional Information

Supported Languages

Assets

Trailer 516112 ↴