yui's notebook
| App ID | 4012910 |
| App Type | Game |
| Developer | cat0149 |
| Publisher | cat0149 |
| Supported Systems | Windows |
| Last Changenumber | 31390375 |
| Last Record Update | 30 September 2025 – 08:29:13 UTC ( |
| Release Date | 30 September 2025 – 08:29:12 UTC ( |
A choice-driven visual novel for adults only, featuring mature themes, emotional tension, and relationship dynamics. All characters are over the age of 18.
Steam price history
Introductory Offer, ends 14 October 2025
Current Price
$1.69 at -15%
Lowest Recorded Price
$1.69 at -15%
30 September 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$1.69 at -15% | $1.69 | $1.69 | $1.69 at -15% | |
 Russian Ruble |
69 ₽ at -16% | $0.83 | -50.34% | $0.83 | 69 ₽ at -16% |
 Kazakhstani Tenge |
510₸ at -15% | $0.93 | -44.92% | $0.93 | 510₸ at -15% |
 Vietnamese Dong |
25500₫ at -15% | $0.96 | -42.81% | $0.96 | 25500₫ at -15% |
 Indonesian Rupiah |
Rp 16574 at -15% | $1.00 | -40.80% | $1.00 | Rp 16574 at -15% |
 Indian Rupee |
₹ 89 at -15% | $1.00 | -40.65% | $1.00 | ₹ 89 at -15% |
 Ukrainian Hryvnia |
42₴ at -16% | $1.01 | -39.80% | $1.01 | 42₴ at -16% |
 Philippine Peso |
₱60.76 at -15% | $1.04 | -37.91% | $1.04 | ₱60.76 at -15% |
 South African Rand |
R 18.27 at -15% | $1.06 | -37.22% | $1.06 | R 18.27 at -15% |
 South Asia - USD |
$1.09 at -16% | $1.09 | -35.50% | $1.09 | $1.09 at -16% |
 Brazilian Real |
R$ 5,94 at -15% | $1.11 | -34.14% | $1.11 | R$ 5,94 at -15% |
 Chilean Peso |
CLP$ 1105 at -15% | $1.14 | -32.28% | $1.14 | CLP$ 1105 at -15% |
 Malaysian Ringgit |
RM4.83 at -15% | $1.14 | -32.08% | $1.14 | RM4.83 at -15% |
 CIS - U.S. Dollar |
$1.18 at -15% | $1.18 | -30.18% | $1.18 | $1.18 at -15% |
 Colombian Peso |
COL$ 4675 at -15% | $1.20 | -28.78% | $1.20 | COL$ 4675 at -15% |
 Peruvian Sol |
S/.4.25 at -15% | $1.22 | -27.36% | $1.22 | S/.4.25 at -15% |
 Thai Baht |
฿39.95 at -15% | $1.23 | -26.86% | $1.23 | ฿39.95 at -15% |
 Kuwaiti Dinar |
0.38 KD at -16% | $1.24 | -26.47% | $1.24 | 0.38 KD at -16% |
 Mexican Peso |
Mex$ 22.94 at -15% | $1.24 | -26.22% | $1.24 | Mex$ 22.94 at -15% |
 Taiwan Dollar |
NT$ 38 at -16% | $1.25 | -26.02% | $1.25 | NT$ 38 at -16% |
 LATAM - U.S. Dollar |
$1.26 at -15% | $1.26 | -25.44% | $1.26 | $1.26 at -15% |
 MENA - U.S. Dollar |
$1.26 at -15% | $1.26 | -25.44% | $1.26 | $1.26 at -15% |
 Qatari Riyal |
4.66 QR at -15% | $1.27 | -24.27% | $1.27 | 4.66 QR at -15% |
 Japanese Yen |
¥ 199 at -15% | $1.35 | -20.07% | $1.35 | ¥ 199 at -15% |
 Uruguayan Peso |
$U54 at -16% | $1.35 | -19.97% | $1.35 | $U54 at -16% |
 South Korean Won |
₩ 1950 at -15% | $1.38 | -18.03% | $1.38 | ₩ 1950 at -15% |
 U.A.E. Dirham |
5.10 AED at -15% | $1.38 | -17.84% | $1.38 | 5.10 AED at -15% |
 Singapore Dollar |
S$1.82 at -15% | $1.41 | -16.50% | $1.41 | S$1.82 at -15% |
 Hong Kong Dollar |
HK$ 11.05 at -15% | $1.42 | -15.96% | $1.42 | HK$ 11.05 at -15% |
 New Zealand Dollar |
NZ$ 2.54 at -15% | $1.48 | -12.33% | $1.48 | NZ$ 2.54 at -15% |
 Canadian Dollar |
CDN$ 2.20 at -15% | $1.57 | -6.79% | $1.57 | CDN$ 2.20 at -15% |
 Costa Rican Colon |
₡805 at -15% | $1.60 | -5.25% | $1.60 | ₡805 at -15% |
 Australian Dollar |
A$ 2.50 at -15% | $1.65 | -2.34% | $1.65 | A$ 2.50 at -15% |
 Israeli New Shekel |
₪6.16 at -15% | $1.86 | +10.27% | $1.86 | ₪6.16 at -15% |
 Norwegian Krone |
18,91 kr at -15% | $1.89 | +12.39% | $1.89 | 18,91 kr at -15% |
 British Pound |
£1.43 at -15% | $1.92 | +14.04% | $1.92 | £1.43 at -15% |
 Euro |
1,69€ at -15% | $1.98 | +17.43% | $1.98 | 1,69€ at -15% |
 Polish Zloty |
7,64zł at -15% | $2.10 | +24.80% | $2.10 | 7,64zł at -15% |
 Swiss Franc |
CHF 1.91 at -15% | $2.40 | +42.06% | $2.40 | CHF 1.91 at -15% |
 Chinese Yuan |
N/A | N/A | N/A | ||
 Saudi Riyal |
N/A | N/A | N/A | ||
Valve suggested prices are shown on package pages.
Price history
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Tags
Categories
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Additional Information
| Developer | cat0149 | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | cat0149 | |||||||||||||||||||
| Store Release Date | 30 September 2025 – 08:29:12 UTC ( |
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| osarch | 64 | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Primary Genre | Indie (23) | |||||||||||||||||||
| Store Genres | Casual (4), Indie (23) | |||||||||||||||||||
| Store Asset Modification Time | 5 September 2025 – 07:24:17 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| restricted_countries | CN,DE,SA China,  Germany, Saudi Arabia |
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| Content Descriptors | Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5) | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 5 September 2025 – 06:02:54 UTC ( |
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| Content Descriptors (Including DLC) | Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5) | |||||||||||||||||||
Supported Languages
| 2 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | |
| Turkish | Yes | Yes |
