我的姑娘叫夏天我的少年叫西瓜
[wŏ de gū niáng jiào xià tiān wŏ de shăo nián jiào xī guā]
In this name, 'My girl is named Summer, my youth named Watermelon' seems whimsical, possibly romanticizing periods of time and relationships, connecting memories with these seasonal themes