mankai no sakura wo benti ni suwatte nagameruno ga suki desu.

満開 means full bloom, and here it modifies 桜.

In Japanese, 満開 is treated like a noun-like word, so it connects to another noun with の:

• 満開の桜 = cherry blossoms in full bloom

This is different from an い-adjective like 赤い or a typical な-adjective pattern.
A very natural way to say this idea is:

• 桜が満開です = The cherry blossoms are in full bloom
• 満開の桜 = full-bloom cherry blossoms

Because 桜 is the direct object of 眺める.

• 眺める means to gaze at / look at / admire
• What are you gazing at? 満開の桜
• So Japanese marks it with を

Structure:

• 満開の桜を眺める = to look at the cherry blossoms in full bloom

With 座る, Japanese normally uses に, not で.

• ベンチに座る = sit on a bench
• いすに座る = sit on a chair

Why に? Because 座る is treated as going into a position/location.

By contrast, で marks the place where an action happens:

• 公園で桜を眺める = look at cherry blossoms in the park

So in this sentence:

• ベンチに座って = sitting on a bench / sit on a bench and...

It is the て-form of 座る, and it connects actions.

So:

• ベンチに座って眺める literally = sit on a bench and look
• In more natural English: look at them while sitting on a bench

The て-form can connect actions in a sequence, but here it also gives a sense of the manner or situation in which the second action happens.

So the image is not just two separate actions. It is more like:

• I sit on a bench and gaze at the blossoms
• or I gaze at the blossoms from a bench

Both can mean to look, but the nuance is different.

• 見る = the general word to see / to look at
• 眺める = to gaze at, to admire, to look at for a while, especially scenery

Because cherry blossoms in full bloom are something beautiful to appreciate, 眺める sounds very natural here.

Compare:

• 桜を見る = look at cherry blossoms
• 桜を眺める = gaze at / admire the cherry blossoms

Here の turns the verb phrase into a noun-like idea.

• 眺める = to gaze
• 眺めるの = gazing / the act of gazing

So:

• 満開の桜をベンチに座って眺めるの = sitting on a bench and gazing at cherry blossoms in full bloom

That whole chunk becomes the thing that is liked.

Because 好き does not work like an ordinary action verb such as 食べる or 見る.
It behaves more like an adjective: liked / pleasing.

So the thing you like is usually marked with が:

• 桜が好きです = I like cherry blossoms
• 本を読むのが好きです = I like reading books

That is why:

• 満開の桜をベンチに座って眺めるのが好きです

is correct.

Yes, you could say:

• 満開の桜をベンチに座って眺めることが好きです

But の sounds more natural here.

A rough guideline:

• の is often used for familiar, concrete, experience-like actions
• こと can sound a little more formal, abstract, or explanatory

So in everyday speech:

• 本を読むのが好きです
• 散歩するのが好きです

sound very natural.

Japanese often leaves out the subject when it is understood from context.

So this sentence does not explicitly say:

• 私は

But it is naturally understood as:

• (私は) 満開の桜をベンチに座って眺めるのが好きです。
• (I) like sitting on a bench and gazing at cherry blossoms in full bloom.

Japanese avoids repeating subjects when they are already obvious.

No, Japanese word order is fairly flexible as long as the particles make the roles clear.

This sentence is understandable as written:

• 満開の桜をベンチに座って眺めるのが好きです。

But many learners may find this order a little easier to follow:

• ベンチに座って満開の桜を眺めるのが好きです。

Both mean essentially the same thing.

Japanese often places descriptive chunks before the final verb, so several orders can work.

Because only the main sentence ending needs to be polite here.

Inside the larger structure, 眺める is part of the clause being nominalized by の:

• 眺めるの = the act of gazing

So the internal verb stays plain, and the final statement is polite:

• 〜のが好きです

This is very common in Japanese:

• 映画を見るのが好きです
• 旅行するのが楽しいです
• 早起きするのは大変です

In this sentence, it most naturally refers to the cherry blossoms.

That is because:

• 満開 strongly suggests flowers blooming
• 眺める fits the idea of admiring scenery

So 満開の桜 is best understood as:

• cherry blossoms in full bloom

Even though 桜 can sometimes refer more broadly to the cherry tree, the context here points clearly to the blossoms.

No. In normal Japanese writing, spaces are usually not used between words.

So the standard way to write this sentence is:

• 満開の桜をベンチに座って眺めるのが好きです。

Spaces are often added in teaching materials just to make the structure easier for learners to see.