The recent passionate kiss between Cha Eun Woo and Park Gyu Young on 'A Good Day to Be a Dog' has sent fans and viewers in online communities into a frenzy.

In the latest episode, Jin Seo Won (played by Cha Eun Woo) and Han Hae Na (played by Park Gyu Young) share a passionate kiss. In the ninth episode, Han Hae Na visits Jin Seo Won's home for the first time as a human but is interrupted by unexpected guests.

So Han Hae Na hides in the closet until Jin Seo Won comes to find her. When he finds that she had fallen asleep, he wakes her up and gives her a deep kiss with tongue action.

After the episode aired, fans visited online communities to share videos and discuss this latest passionate kiss.

One Twitter user wrote, "Why is his tongue coming out?" and another netizen pointed out, "I don't think I ever seen a kiss scene that shows that much tongue in a drama before." 

Many netizens joined a popular online community to give their thoughts on this latest "tongue" kiss scene and commented, "They're really going at it," "I like it," "I think it's fine," "I don't think the kiss scene fit with the overall mood of the drama. Also, the actress didn't seem too into it, in my opinion," "Oh my god, oh my god," "Oh my, Eun Woo..."I think it was natural, so it's okay," "The kiss scenes are getting hotter with each episode," "Eun Woo, omg," "If I was a fan of his, I would be so shocked, lol," and "Woah, Cha Eun Woo is good at kissing, lol."