In A Few Days, Coming Days
The near day is a day coming very soon. It's a day coming in a few days or in the coming days.
In other words, you wouldn't use this word for something that's going to happen in a few minutes, or a few months.
This is a jukugo word, which usually means on'yomi readings from the kanji. Since 日 has two on'yomi readings, here's a mnemonic to help you remember which one to use:
Soon, the place where you live will have two kings. Gee, two (きんじつ) of them? Yep, yours is the first country ever to have two kings.
This game is scheduled to be released soon.
The movie Mr. Tanaka was looking forward to will finally be released in a few days.
Let’s hang out in person soon and talk about things we saw online.