Character-Based Japanese Learning Platform
A platform that makes Japanese practice easier to continue through character conversations and mission-based progression.
Challenge
Traditional Japanese language learning tends to be monotonous, with sustained motivation being a challenge. Practical conversation practice opportunities were limited, leading to the problem of having knowledge but being unable to speak.
Solution
Designed a mission-based learning experience that guides learners from JLPT N5 to N1 through a story format. Combined voice input, conversation practice, Live2D characters, and progress-based study tasks.
Result
Completed development from requirements definition to MVP release in 6 months
Team
1 member, 6 months
Design to implementation and operations
Role
Handled product design, implementation, and operations.
Tech Stack
Key Features
Real-time voice dialogue: Natural Japanese conversation practice using GPT-4o and Whisper API
Anime-style characters: High immersion with Live2D animation and anime-style voice synthesis
Progress-based study design: adjusts practice content based on learning history and error patterns
Mission-based gamification: XP, badges, exclusive illustration unlocks, and other engagement elements
Technical Highlights
Integrating Voice, Conversation, and Character Expression
Connected speech recognition, conversation generation, speech synthesis, and Live2D display into one learning experience without breaking the pace of practice.