Hiiro no Kakera

From her grandmother, Shizuki, Tamaki succeeds as the Tamayori princess to protect the Onikirimaru. Tamaki is puzzled, but surrounded by her guardians, Takuma Onizaki, Mahiro Atori, Yuichi Komura, Surugu Ohmi, who protect the Tamayori princess. Tamaki tries to find out what the Tamayori princess is and what the Onikirimaru is