When I was a child.,

I used to read about comic of JapanJapanese comics and spend a lot of time to read them.

If it's a comic from Japan, it would be 'Japanese comics'. If the comic is about Japan, you can say 'comics about Japan'.

When I was a student university. student,

Besides English, I alsoI wanted to learn other languages besides English.

I choosed Japanese.

When I had free time, I usually watch about everything ofed things about Japan.

'watched' if this was in the past

From that, I started to like Japan.

I'm working for a Japanese company.

My major is architecture and I really like my job.

For me, My favorite seasons are Spring and Winter.

Because, Iin the Winter, I can see snow and nice nuature in the Spring.

When I was a child.,

I used to read about comic of JapanJapanese comics and spendt a lot of time to reading them.

When I was a student university. student,

Besides English, I also wanted to learn other languages besides English.

I choosed Japanese.

When I have free time, I usually watch about everything ofthings about Japan.(?)

FromBecause of that, I started to like Japan.

But, I don't speak Japanese very well.

I'm working for a Japanese company.

My major iwas architecture and I really like my job.

For me, Mmy favorite seasons are Spring and Winter.,

Bbecause, I in the Winter I can see snow and nice nuature in the Spring.

When I was a child, I used to read about Japan comics and spend a lot of time reading them.

A sentence should have subject and a verb. "When I was a child" can't be a complete sentence.

I used to read about comic of Japan and spend a lot of time to read them.

I combined both sentences to create a complete sentence.

When I was a student at university, I also wanted to learn other languages besides English.

A sentence should have subject and a verb. "When I was a student university" can't be a complete sentence.

Besides English, I also want to learn other languages.

I also choosed to learn Japanese.

When IIn my free time, I usually watch about everything of Japan lot of Japanese related things.

FromDue to thatis, I started to like Japan.

I'm working for a Japanese company.

My major isI am an architect and I really like my job.

For me, Mmy favorite seasons are Spring and Winter.

Because, In the Winter, I can see snow and nice nuture in the Spring, I can see nice nature.