✨ 🗝️ ✨
Completion Bonus

The Detectives’ Secret Room

Thank you for reading all 12 episodes! Welcome to the detectives’ secret room with official member card, master quiz, and exclusive wallpapers.

🪪 Digital Member Certificate

Enter your name to generate your official Detective Member Card! You can download and save it as an image.

🔍 Detective Master Quiz (10 Questions)

Test your memory from Episode 1 to 12! Answer all 10 questions correctly to unlock the exclusive wallpaper gift below!

Score 0 / 10
🎉 Congratulations! You answered all 10 correctly and unlocked the exclusive wallpapers!

🎁 Exclusive Completion Wallpapers

A special illustration featuring Koharu, Kanata, Ayame, Taiga, Pocke, Shiori, and Meeko gathering on the porch at twilight.

PC Wallpaper Preview

PC & Tablet (16:9 Landscape)

High-Res 1920 × 1080

📥 Download Wallpaper
Mobile Wallpaper Preview

Smartphone (9:16 Portrait)

High-Res 1080 × 1920

📥 Download Wallpaper

Thank you for reading to the very end!

Thank you for following Koharu and her friends all the way through their adventure. If any scene stayed in your heart, we'd be so happy to hear from you on OFUSE.

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