C90 The Sound of a Dolphin Is of No Avail

"What is that sound?"

Ye Han, Si Qi, and Si Ba were all shocked by this sudden sound at the same time.

"Ah, ah, ah …"

The sound was getting louder and louder, until it pierced through the clouds, causing one's eardrums to hurt!

"It sounds like the sound of a dolphin, but the sound of a dolphin does not have such an aura!"

Ye Han frowned as he heard his whole body screaming