The visa that international students can apply for after graduation depends on the purpose of their stay.

There are three main things.

It is divided into study abroad, employment, and family visas.

If you want to study more after studying abroad, you can apply for a D - series visa,

if you want to work, you can apply for an E - series visa, and if you need a family visa, you can apply for an F-series visa.

You have to pay attention to extending my visa.

Q. When can I begin the application process for the extended of period of stay in Korea? 

A: Foreigners who wish to apply for an extension of their alien registration card must do so between 4 months prior to the card's expiration date and the expiration date itself.