C317 College?

Time passed by, five days later.

"Haha, I finally succeeded." Jiao Huangyu shouted excitedly under the waterfall.

Lin Xiu also smiled. After a few days of observation, Lin Xiu also found that Jiao Huangyu's talent was not bad. In just a few days, he had been able to extend his training from staying under the waterfall for less than fifteen minutes to six hours!

Of course, this was just not bad