While I run, I think about
how to make your world more interesting.
Our Products
🎸 OtoTheory — Music Theory × Guitar App
An app that lets you see, touch, and hear guitar chords, scales, and music theory.
- Automatic chord progression loops
- Diatonic / Scale analysis
- Chord dictionary (Forms / Notes / Degrees)
- Substitute chords
- MIDI export & Sound Palette (iOS Pro)
- Web version (Free) for learning & composition support
🚀 Coming Soon
🏃♂️ Aidrian — AI Running Coach (Under Development)
An app where AI proposes the "optimal menu for today" from your sleep / heart rate / fatigue / past training / target race.
- Wearable data analysis
- AI dialogue about daily condition and mood
- Menu re-proposal based on time constraints and fatigue
- Race planning (10K to 100K)
- Mental assist to reduce psychological load (planned)
Born from the developer's own experience running a 100km trail race.
💬 FlasSay — Instant English Composition App (Under Development)
An app focused on instant English composition to improve business professionals' English speaking skills.
- Speak your thoughts instantly in English
- Smooth, comfortable operation
- Practical training focused on daily scenes
- Efficient learning in spare time
From "understanding" to "speaking instantly."
Our Approach
✨ Be simple
Keep things as simple as possible while conveying the essence.
🏃♂️ Running
Sustainable design. Building products that can be used continuously, step by step.
🤖 AI
Optimizing learning experiences. Using AI as a partner to expand your capabilities.
Get in Touch
For questions, collaborations, or business inquiries: