C1516 I'll be Your Guard for Ten Years!

When the sky was about to brighten, Rollins finally managed to get rid of his thoughts and lay down on his bed to sleep.

However, he did not sleep for long before he suddenly opened his eyes.

"Ding! Triggered proficient-level hearing ability. A powerful target is approaching..."

Rollins sat up from the bed and stared at the empty window.

Five seconds later