Chu Shengqing Xia Xi ECHO (female). Two men and one woman. Xia Xi has known his sexual orientation since he was a child, and he has always been unrequitedly in love with Chu Shengqing. But Chu Shengqing has always had complicated feelings for ECHO. At the age of 17, Chu Shengqing took ECHO. From then on ECHO disappeared. . .
Reappearing four years later, the three people reconciled, but privately they were still in turmoil.
The three of them lived together for two years.
However, it fell apart again. . .
The gears of fate keep turning, but they will never turn back to yesterday. . .
Chu Shengqing's love, is it Xia Xi or ECHO...