Tip:
The suffix '-sama' (さま) or '-san' (さん) is usually added to show respect
to the person you are calling. Try not to call someone directly by their name
without this.
Basic greetings:
- おはようございます、光石研さん - Good morning, 光石研-san
- こんにちは、光石研さん - Hello/Good day, 光石研-san
- こんばんは、光石研さん - Good evening, 光石研-san