Tell me where can i read the novel (〜￣△￣)〜 and also how many chapters are there?

You should find it anywhere ig? Im reading it on readlightnovel but other novel site has it too.
The novel has 551 chapter

Is it completed already?

Yes

https://boxnovel.com/novel/omniscient-readers-viewpoint-boxnovel/
I read from here.

thankyou!

Thank youuuu

You're welcome, and have a nice read ヾ(☆▽☆)