那个对数理化抓狂的菇凉那个被下课铃吵醒的少年
[nèi gè duì shù lĭ huà zhuā kuáng de gū liáng nèi gè bèi xià kè líng chăo xĭng de shăo nián]
Refers to nostalgic high school memories where a girl struggles with math and science, and a boy is woken up by the bell after dozing off during class.