JLPT N4 - tekimasu

Depending on context, either the speaker or listener (or some other subject) will come back after an action.

Key Examples

私は コンビニ へ ファミチキ を 買ってきます
I will go to the convenience store to buy some fried chicken (and come back).
私は 学校 に 行ってきます
I will go to the school.