Muki Zaishitsu Kenkyūjo

• 21-seiki o sasaeru sentan muki zaishitsu no kenkyū
• Arumino keisanʼen garasu ni kansuru kenkyū
• Sumerutaito ni kansuru kenkyū
• Tainetsu kōzō zairyō no shōketsu kakōhō ni kansuru kenkyū