
Questions & Answers about issho ni taikinshimasu.
一緒に means together.
In this sentence, it describes how the action is done: the speaker and someone else leave work together.
A very common pattern is:
一緒に + verb
For example:
- 一緒に行きます = go together
- 一緒に食べます = eat together
- 一緒に退勤します = leave work together