บท 217: 180, A day as a teacher, a lifetime as a father (Request for monthly tickets)

There was an electronic screen at the door, on which one could select the smart mode.

Uncle Li Dong said, "One, switch to sleep mode."

As soon as the words were spoken, the room darkened, and only a few dim yellow light strips on the floor lit up, casting a particularly soft glow.

Uncle Li Dong said, "One, switch to white noise sleep mode."

The next moment, the entire glass wall transformed, and Qing Chen saw raindrops hitting the glass, accompanied by a low yet clear sound of rain indoors.

With the room's constant temperature, Qing Chen felt as if he were in an autumn rain, perfectly tucked under a summer quilt for a deep sleep.

"Switch to another white noise mode," Uncle Li Dong said.

The glass wall was no longer transparent but resembled a huge holographic screen, changing from rainy scene to a fireplace.

A vintage fireplace burning wood crackled softly indoors.