天体観測部の教室を舞台に、星を観測してアムアという宇宙幽霊を召喚できる遊び場です。雑談の場としても気軽に利用できます。 Its a playground set in the classroom of an astronomy club‚ where you can observe the stars and summon a cosmic ghost named Amua․It can also be used casually as a place to hang out and chat․