C125 Young
Judging from Gu Liangchuan's expression, he should have guessed that the person inside was either the old dean or someone close to the old dean. He didn't ask Ji Hao to come up, because he already knew that there was someone inside. He didn't have an attack type ability, so it was better to let him stay underground.
Therefore, only Gu Liangchuan, Tang Jiayu