刹那一閃

Contains ads
Content rating
Everyone
10+
Downloads
Content rating
Everyone
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About this game

Setsuna Issen is a simple, quick-reaction iaido (sword drawing) game where you must react in an instant, timing your strike perfectly.

Tap the moment the "!" appears on the screen.

Tap too early for a false start, tap too late for defeat.

Your reaction speed will be tested against three swordsmen.

■ How to Play
- Tap the screen to start the match
- Face your opponent and wait for the signal
- Tap the moment the "!" appears
- Aim for the fastest time by defeating all three opponents in total

■ Features
- Simple controls playable with one hand
- Thrilling matches that can be enjoyed in short bursts
- Evaluation and ranking based on reaction time
- Challenge your personal best
- Supports Japanese/English

A split second of hesitation can determine victory or defeat.

Gaze at the signal in that split second and unleash the fastest strike.
Slash the moment the exclamation mark appears. Face off against three swordsmen in this quick-response iaido game where you aim for the fastest possible strike.
Updated on
Jun 9, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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  • Data is encrypted in transit

What’s new

初期リリース
Content rating
Everyone
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App support

About the developer
ONEDERAPPLI LIMITED LIABILITY COMPANY
info@onederappli.jp
6-23-4, JINGUMAE KUWANO BLDG.2F. SHIBUYA-KU, 東京都 150-0001 Japan
+81 70-8429-1391

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