Dear Tyrant,

Great to have you here! Let the sea breeze carry your inspiration to the screen, and share your original video/live-stream entries for a chance to win a cash prize, Stellanite Dust×3000, and exclusive merch. Every participant with at least one compliant entry gets a participation reward, and we'll hold additional lucky draws among submissions (winners of other awards excluded)!

⛱ Contest Schedule (UTC-7) ⛱

Submission Period: Starting From Now - Nov. 17, 2025 19:00

Judging Start Date: November 17

Winner Announcement: By November 23

⚓︎ How To Submit ⚓︎

1. Post your work or live stream on TikTok / YouTube / Twitch, ensuring it meets all requirements.

2. Include the hashtag #SeasideDays, #StellaSora. We encourage adding content-related tags such as #guide, #gameplay, #build, #livestream, and #highlight.

3. Fill out the Google Form with the requested information: Submission Form

⚓︎ NOTE ⚓︎

1. The winning works are derivative creations by the creators and do not represent the actual plot or settings in the game.

2. In-game rewards will be issued within 30 business days after the results are announced. Cash rewards are expected to be delivered within 30 business days once the winners provide their information.

3. The costs necessary for international transfers, including administrative fees and taxes, are to be borne by the organizer.

4. For all three tracks, human voices and game sounds should be distinguishable, with no continuous screeches or noises. English subtitles are recommended. The game version should be indicated in the title, video frame, or description.

5. Multiple videos can be submitted for each track, and you can participate in more than one track. Each person can win only one award per track. However, if your works are outstanding, you may be eligible to win awards in multiple tracks! All submitted content must be related to the current version or the event theme.

6. In addition to the compliance and basic quality requirements, Yostar staff will evaluate works based on clarity of expression, information density, editing quality, and overall quality.

7. AI-generated content is deemed ineligible.

⚓︎ Track 1: Short Video ⚓︎

CRITERIA

1. Must meet compliance and basic quality requirements.

2. Must include required hashtags

3. Suggested content:

■ Character highlights (funny moments, fast cuts, …);

■ Gameplay highlights (speedruns, fun gameplay, mini-guides, …);

■ Fun/Engaging content (quick and fun clips, …);

■ Works inspired by the new version's update. (event walkthroughs, new version perks, new Trekker Shia, or Noya's new appearance: Lingering Sunlight, ...)

4. Works that consist solely of spliced official materials without original editing or creative adaptation, or AI-generated content, are not eligible. For edited works like AMVs, creators must ensure independent creativity and adaptation from the original material.

Rewards

First Place (X5): 100$ Gift Card ×1; Stellanite Dust ×3000; Random Mouse Pad ×1; Random Character Acrylic Stand ×1; Coaster Set ×1;

Second Place (X10): 50$ Gift Card ×1; Stellanite Dust ×3000; Random Mouse Pad ×1; Random Character Acrylic Stand ×1;

Third Place (X20): 50$ Gift Card ×1

⚓︎ Track 2: Long Video ⚓︎

CRITERIA

1. Must meet compliance and basic quality requirements.

2. Must include required hashtags

3. Suggested content:

■ Character-based content (art, skills, lore, animations, ...);

■ Thematic deep dives (mechanics, advanced challenges, ...);

■ Beginner's guides (early game, character progression, mistakes to avoid, ...);

■ Story deep dives (lore, current version, ...);

■ Comprehensive guides (team building, discs, powerful/trap Potentials, ...);

■ Works inspired by the new version's update. (event walkthroughs, new version perks, new Trekker Shia, or Noya's new appearance: Lingering Sunlight, ...)

4. Works that consist solely of spliced official materials without original editing or creative adaptation, or AI-generated content, are not eligible. For edited works like AMVs, creators must ensure independent creativity and adaptation from the original material.

Rewards

First Place (X5): 100$ Gift Card ×1; Stellanite Dust ×3000; Random Mouse Pad ×1; Random Character Acrylic Stand ×1; Coaster Set ×1;

Second Place (X10): 50$ Gift Card ×1; Stellanite Dust ×3000; Random Mouse Pad ×1; Random Character Acrylic Stand ×1;

Third Place (X20): 50$ Gift Card ×1

⚓︎ Track 3: Live Stream ⚓︎

CRITERIA

1. Must meet compliance and basic quality requirements.

2. Must include required hashtags

3. Suggested content:

■ Live streaming gameplay (speedruns, challenge completions, character exploration, …);

■ Livestream about the new version's update (event walkthroughs, new version perks, new Trekker Shia, or Noya's new appearance: Lingering Sunlight, ...);

4. Works that consist solely of spliced official materials without original editing or creative adaptation, or AI-generated content, are not eligible.

5. Live streams must meet basic visual and audio quality standards and be relevant to the event. Streams that are AFK/idle or contain prolonged irrelevant content (≥ 30%) will not be considered eligible.

Rewards

First Place (X5): 100$ Gift Card ×1; Stellanite Dust ×3000; Random Mouse Pad ×1; Random Character Acrylic Stand ×1; Coaster Set ×1;

Second Place (X10): 50$ Gift Card ×1; Stellanite Dust ×3000; Random Mouse Pad ×1; Random Character Acrylic Stand ×1;

Third Place (X20): 50$ Gift Card ×1

⚓︎ Participation Prize ⚓︎

Every player who has at least one qualified work across the three categories will receive 300 Stellanite Dust as a participation reward, which can be stacked with other awards.

⚓︎ Lucky Draw Prize ⚓︎

For the Lucky Draw Prize, a total of 30 players with eligible works across the three tracks will be randomly selected, and each will receive 600 Stellanite Dust. (Please note that participants who have already won the 1st, 2nd, or 3rd prize will not be eligible for the prize.)

⚓︎ Live Stream Exclusive Prize ⚓︎

REQUIREMENTS

1. The Live Stream Exclusive Prize is designed to recognize consistent and high-quality live stream content, separate from the main competition prizes.

2. In addition to frequency requirements, your content must meet the following quality standards:

■ Visual quality: Clear visuals, stable frame rate, clear UI.

■ Audio quality: Clear human voice and game sound; no continuous screeching or noise.

■ Content Relevance: The stream must focus on content related to the event. Irrelevant discussions or cross-game content should not exceed 30% of total time.

Prize Tires

Tier A (Full Attendance): From now - Nov 9, 2025 00:00 (UTC-7), complete at least 3 streams; from Nov 9, 2025 00:00 - Nov 17, 2025 19:00 (UTC-7), complete at least 2 streams, with each stream lasting no less than 30 minutes (At least 5 entries must be submitted to qualify for full attendance).

Tier B: From now - Nov 9, 2025 00:00 (UTC-7), complete at least 2 streams; from Nov 9, 2025 00:00 - Nov 17, 2025 19:00 (UTC-7), complete at least 1 stream, with each stream lasting no less than 30 minutes (At least 3 entries must be submitted to qualify for this tier).

Tier C: At least 2 streams through the event period, each ≥ 30 minutes.

REWARDS

Tier A: 50$ Gift Card ×1

Tier B: 25$ Gift Card ×1

Tier C: Stellanite Dust ×300

⚓︎ Creation Showcase ⚓︎

1. All compliant works will be categorized by track and posted regularly in the corresponding Discord showcase channel:

#seasidedays-showcase Discord Channel Portal

2. To ensure fairness, these channels will only be used for showcasing content and will not be used for evaluation, scoring, or data collection.

3. After the event ends, the showcased works will remain available for an additional 7 days as a public display, after which they will be hidden and archived.

⚓︎ Official MMD Model Download ⚓︎

The official Meowber MMD model is now available. Download it today and let your creativity shine!

Download Link: Meowber

⚓︎ Additional Rules ⚓︎

1. By submitting an entry, the participant guarantees the originality of the work (including but not limited to design and content). Any confirmed issues regarding originality will result in immediate disqualification.

2. All entries must be original works created specifically for this event, and videos must be created on or after Oct. 28, 2025 (UTC-7).

3. All submissions must not contain watermarks, signatures, third-party copyrighted material, or any other identifying information.

4. Collaborative works must be uploaded by one participant from the group; please avoid repeated submissions.

5. All works, including titles, display names, and descriptions, must not contain political, violent, pornographic, grotesque, or any other prohibited content by your posting platform. Works with obvious commercial promotion are also not eligible. Excessively gory or NSFW content is strictly prohibited.

6. By submitting an entry, the creator agrees to allow Yostar the right to use the work in official Stella Sora content and its affiliates' social platform accounts. Ownership and all other rights to the work remain with the creator

7. All in-game item rewards are limited to the Stella Sora EN Server. If a winner does not have the required account, the reward will be forfeited.

8. The final interpretation of the activity belongs to Yostar Games. If players find any rule violations or have questions, please contact us at: [[email protected]].