In the end, I have not been not able to reduce my screen time, but rather fill the time with TV or other social media like Tiktok and Youtube, that I won from instagram.

not sure what you mean by this, "that I won from instagram."

Meanwhile, I tried to read, and reflect on myself and more chores and that has worked to some extent.

I asked all the time, what is going on in the world now, what is on trend, I could not control my feeling of being left behind.

There is still one thing which gave me a new perspective; I follow many people from my elementary school untill university.

I have never thought that I would be suffocated by thisese mixed relationships.

Two weeks ago, I finally tried to quit using iInstagram.

"Instagram" is a proper noun and should be capitalised.

In the end, I have beenwas not able to reduce my screen time, ratherand instead filled the time that I won from Instagram with TV or other social media like TiktTok and YoutTube, that I won from instagram.

(1) "Have been" is what is known as the present perfect tense, while "was" is the simple past tense, and the two are not interchangeable. The former is used when the time period of an action extends to the present, while the latter is used when the time period ends in the past. The phrase "in the end" generally falls into this second category.

(2) I find that "instead" is more natural here.
(3) It should be "filled" and not "fill", since you're writing about the past.
(4) You should move "that I won from Instagram" forward, or else it will be interpreted to be referring to "other social media like TikTok and YouTube".
(5) Strictly speaking, "TikTok" and "YouTube" are the correct capitalisations.

Meanwhile, I tried to read, reflect on myself and do more chores, and that has worked to some extent.

(1) The phrase is "reflect on (something)".
(2) I would suggest the addition of a comma to separate the last phrase from the list of things you tried.

Although, I felt so hungry or starvingstarved (of content) that I had to fill this empty space with something similar.

Your use of "although" in this way is fine, but can be considered more casual or informal. Alternatively, you can use "however": "However, I felt so starved that..."

I asked all the time, w"What is going on in the world now, w? What is on trend,ing?" and I could not control my feelinghelp but feel that I was being left behind.

(1) Quotation marks are tricky, but here's how I would format it. I think I have even seen novels that omit the quotation marks in this context entirely. I attribute it to personal preference.
(2) I reworded the second half of your sentence so that it sounds more natural. The phrase is "cannot help but feel (something)".

TBut there iwas still one thing which gave me a new perspective;. I follow many people from my elementary school tillup to university.

(1) I would add a word like "but" or "however" at the start to soften the transition between the two paragraphs. By the way, "ただ" in English is "but" or "however".
(2) Mind the tense. You are still writing in the past tense, so it should be "was" and not "is".
(3) The use of the semicolon is a little unnatural here, though I can't quite explain why. I'd suggest breaking this sentence into two instead.
(4) Here, "elementary school" refers to the stage of life, rather than the actual place. In this case, we do not use "my" in front of it.

Some are my old friends, some are just acquaintances whom I met in myat different life stagstages of my life.

(1) "Some" implies the plural, so "acquaintance" should be plural as well ("acquaintances").

(2) Strictly speaking, "whom" is the correct word to use here. It is used after objects, while "who" is used after subjets, and in this sentence, "acquaintances" is the object (while "I" is the subject). In practice, many native speakers do not know this, so "who" has gradually evolved to be somewhat acceptable, especially in informal contexts. In formal writing, however, I would encourage you to use the proper grammar.

(3) The more natural phrase is "stage of life" rather than "life stage".

I have never thought that I would be suffocated by this mixedese various relationships.

(1) "Relationships" is plural, so you should use "these" and not "this".
(2) I question the use of "mixed" here. You can consider "various" or "many" instead, or omit it altogether.

When I see their stories or posts, I get affectinfluenced by their thoughts orways of thinking and values, which bothers me.

(1) 考え方: way of thinking.
(2) In the context of ways of thinking and values, "influence" might be more appropriate.
(3) "And" will be more appropriate here, since there's nothing stopping you from getting influenced by both simultaneously.

(4) In your sentence, I'm assuming that "which bother me" is referring to the fact that you get influenced by their values and ways of thinking. Since this is a singular fact, you should use "bothers" (singular) instead of "bother" (plural). However, if by "which bother me" you are referring to the values and ways of thinking themselves (which are plural), then your sentence is grammatical.

Also, it was always uncomfortable to post something there because I have many different faces depending on the social groups.

Generally, you are only posting in one social group at a time, so the singular is expected.

For one week starting (from) tomorrow for one week, I will try to reduce timehe time spent watching TV or scrolling other social media consciously.

(1) I think "For one week starting (from) tomorrow" is more natural-sounding.
(2) "Scroll" or "use" might be more suitable verbs to use with "social media".

Because I am addicted to (the chaos of) information chaos, it can take a long time, but I hope I can reducedrop this habit of being drowned in too much information gradually and get alongdeal with information (consciously) someday by training.

(1) The word to use with "habit" is "drop" or "break".
(2) We don't use "get along with" in this context. Perhaps the phrase you're looking for is "deal with".
(3) For your information: 意識的に is "consciously"; and by extension, 無意識に is "subconsciously".

Two weeks ago, I finally tried to quit using iInstagram.

At first, the purpose was to reduce my screen time, but I realised something through this experience, so I want to share it.

"realized" = U.S. English
"realised" = U.K. English

In the end, I have been not able to reduce my screen time, rather I fill the time that I won from Instagram with TV or other social media like Tiktok and Youtube, that I won from instagram.

Meanwhile, I tried to read, reflect on myself, and do more chores, and that has worked to some extent.

I asked all the time, "what is going on in the world now, " "what is on trend,ing," and I could not control my feeling of being left behind.

Or "what is going on in the world now?" "what is trending?" I've seen many arguments about question marks and exclamation points vs. commas. Maybe some people say you can use both!

There is still one thing which gaives me a new perspective; I follow many people from my elementary school tillup to university.

Some are my old friends, some are just acquaintances who I met in my different life stage.

"whom I met," if you want to be really correct, but most people don't say "whom" now.

I have never thought that I would be suffocated by thisese mixed relationships.

Also, it was always uncomfortable to post something there because I have many different faces depending on the social groups.

I think the average English-speaker may not know about "face," but speakers familiar with (East?) Asian culture will know.
They might say instead "I show different sides of myself depending on the social group."