noun
university debut; reinventing oneself at university
Colloquial term for the attempt to change one's image, style, or personality upon entering university, often by adopting new fashions, hobbies, or social behaviors.
彼は大学デビューで髪を染めて、服装もガラッと変えた。
He dyed his hair and completely changed his style for his university debut.
大学デビューに失敗して、ぼっちのままだった。
I failed at my university debut and remained a loner.