My friend recommended the Netflix series "Kantaro: The Sweet Tooth Salaryman" to me last year. My friend recommended the Netflix series "Kantaro: The Sweet Tooth Salaryman" to me last year.

My friend recommended I watch the Netflix series "Kantaro: The Sweet Tooth Salaryman" last year. My friend recommended I watch the Netflix series "Kantaro: The Sweet Tooth Salaryman" last year.

What you had is okay, but it's also good to reflect that your friend recommended that you watch the show.

It's a hilarious comedy show which is hilarious. It's a hilarious comedy show.

If you say, "It's a comedy show which is hilarious," it sounds like you're saying that the fact that it's a comedy show is hilarious.

It's a comedy show which is hilarious. It's a comedy show which is hilarious.

Your original sentence is grammatically correct, though I think a more natural phrasing could be "It is a hilarious comedy series."

It's a hilarious comedy show which is hilarious. It's a hilarious comedy show.

It's a hilarious comedy show which is hilarious. It's a hilarious comedy show

Switching the word order can help the sentence read more clean

The main character is an office worker who has a sweet tooth. The main character is an office worker who has a sweet tooth.

He pops into a cafe while he is out for sales. He pops into a cafe while he is out for sales.

He pops in ato cafes while he ienever he heads out for saleswork. He pops into cafes whenever he heads out for work.

He pops into a cafe while he is out for sales. He pops into a cafe while he is out for sales.

The verb "pops in" isn't used as much in speech, but if you use it to refer to a café, you physically go into a café.

After he had sweets, every timeEvery time he has some sweets, he makes a really funny face with, satisfied look. Every time he has some sweets, he makes a really funny, satisfied look.

After he had sweets, every timeEvery time after eating sweets, he is so satisfied that he makes a really funny face with satisfied. Every time after eating sweets, he is so satisfied that he makes a really funny face.

After he had sweets, every timeEvery time he has some sweets, he makes a really funny face with, satisfied face. Every time he has some sweets, he makes a really funny, satisfied face.

After he hadate the sweets, now every time he eats them he makes a really funny face withof satisfiedaction. After he ate the sweets, now every time he eats them he makes a really funny face of satisfaction.

I love the face, so I took a picture of myself making a funny face like him when I had some sweets. I love the face, so I took a picture of myself making a funny face like him when I had some sweets.

I love the face, so I took a picture of myself making a funny face just like him whenafter I had sweets. I love the face, so I took a picture of myself making a funny face just like him after I had sweets.

I love the/that face, so I took a picture of myself making a funny face like him when I had (some) sweets. I love the/that face, so I took a picture of myself making a funny face like him when I had (some) sweets.

I love theat face, so I took a picture of myself making a funny face like him when I hadeat sweets. I love that face, so I took a picture of myself making a funny face like him when I eat sweets.

"That" because you are referring to a specific type of face and not an individuals' face in general. The verb at the end changes to eat because it is a face you make when you eat sweets.

I've been using it onas my profile picture on social media. I've been using it as my profile picture on social media.

I've been using it on my profile on social media. profile I've been using it on my social media profile

What you have works, but you can simplify the sentence by grouping the final concept, because you are describing your own social media profile.