Gakken DS: Otona no Gakushuu: Kindaichi Sensei no Nihongo Lesson

Gakken DS: Otona no Gakushuu: Kindaichi Sensei no Nihongo Lesson is an educational "edutainment" game for the Nintendo DS, released exclusively in Japan on 22 February 2007. Developed by Tenky and published by Gakken, it is designed for adult native speakers or advanced learners to refine and "power up" their Japanese language skills.