"Navillera" starring Song Kang and Park In-Hwan as ballet dancers, is slowly making its way to the top.

Following its premiere last March 22, the tvN drama is gaining a positive response from the public with its strong viewership rating.

"Navillera" Episode 4 Gained a Slight Increase from Its Previous Episode

In a recent report, Nielsen Korea noted that "Navillera" episode 4 scored 3.623 percent average nationwide ratings and 3.692 percent across Seoul.

This shows a slight increase from episode 3, with only an average nationwide rating of 3.325 percent.

To recall, the much-awaited drama received a modest start of 2.810 percent nationwide rating on its first episode, followed by a slight jump of 2.964 percent on its episode two.

It only means that "Navillera" is gradually beating its personal viewership record with each episode.

READ MORE: Song Kang Becomes Park In Hwan's Ballet Teacher in Latest 'Navillera' Teaser

"River Where the Moon Rises" and "Penthouse 2" Ratings

Unfortunately, the tvN drama needs a little more push since its KBS contender managed to sustain a high rating.

The "River Where the Moon Rises" scored a recorded average nationwide rating of 6.4 and 8.4 percent, which is identical to its episode 13 with 6.8 and 8.7 percent.

As for the most-watched drama, "Penthouse 2" remains unbeatable, with weeks of holding the top spot as the number one Korean drama across the country.

In a previous report, Nielsen Korea shared that the suspense drama series not only bagged the most-buzzworthy drama but is currently the most-watched program of any kind to air in an evening program after gaining a nationwide rating of 20.8 percent and 23.6 percent.

Sim Deok-Chool and Lee Chae-Rok's Unlikely Friendship

"Navillera's" previous episodes show the budding friendship of Sim Deok-Chool, played by Park In-Hwan, and the ballet dancer Lee Chae-Rok, portrayed by Song Kang.

The 70-year-old has already expressed his eagerness to learn the dance and fulfill his lifelong dream of becoming a ballet dancer.

Unfortunately, his family became his hindrance after his wife, Choi Hae-Nam (Na Moon-Hee), advised him not to attend the practice due to his age.

Seo In-guk Confirmed to Appear in "Navillera"

Aside from the special connection of Lee Chae-Rok and Sim Deok-Chool, another cast is set to appear in "Navillera."

In a new report, Seo In-guk is confirmed to have a surprise appearance at tvN's recently debuted drama.

Despite the announcement, it is unclear what will be the "Abyss" actor's future role, but fans are already looking forward to his appearance.

Aside from his cameo in "Navillera," the 33-year-old A-lister will be returning to the small screen with his upcoming drama "Doom at Your Service" opposite her leading lady Park Bo-Young.

The said drama is slated to premiere in June, right after the season finale of Song Kang's drama.

Both "Navillera" and "Doom at Your Service" are both helmed by Han Dong Hwa, who is also the director of the 2016 drama "38 Task Force," featuring Ma Dong-Seok, Sooyoung, Song Ok-Suk, and Seo In-guk.

ALSO CHECK: Song Kang Talks About His New Drama 'Navillera' + Shares His Thoughts on Being Dubbed as 'Son of Netflix'

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Written by Geca Wills