Yumi’s Cells – K-Drama Episode 4 Recap & Review

Lustasaurus Rex

Episode 4 of Yumi’s Cells begins with Gu-Woong arriving with his umbrella. This singular act works to turn the lights back on in Cell Land, bringing Yu-Mi to look at Gu-Woong in a much more positive light. He was curious about her lack of a reply and showed up to check on her. Gu-Woong breathes a sigh of relief when he finds out about Yu-Mi’s broken phone. She wasn’t ignoring him after all!

In Cell Land, one of Gu-Woong’s Cells shows up to check out the village. However, the cells there refuse to allow it and punch him away. There’s more pressing concerns though and as Yu-Mi passes out and runs a fever. With alarm bells wailing in Gu-Woong’s Cell Land, they activate sprint mode and let Gu-Woong carry her to the nearest hospital for treatment.

When she wakes up, Yu-Mi learns what Gu-Woong went through for her. In fact, he even buys her new clothes with a frog on the front. This singular act sees a frog show up in Yu-Mi’s Cell Land and helps save all the different cells, cleaning up the village and making sure Hysterius can’t come back. It even saves Love and True Feelings too. Only, it turns out the frog is just an outfit for Gu-Woong’s love cell. Sneaky!

Gu-Woong returns to the hospital to check on her, eventually seeing her throw the same joke back in regards to Seoul time. The pair have a wonderful date and as the pangs of romance start to spread, Bulletin Board Cell shows up late at night to help clear up Yu-Mi’s cluttered mind. Now, it turns out everyone has their own bulletin board and this is simply a way to sort one’s mind out at the end of the day.

When he leaves Yu-Mi, Gu-Woong heads back to check on Sae-Yi, who happens to be tipsy. Gu-Woong decides to activate his defence mode, which is interpreted as a bear, acting dumb and defending himself from her advances. Thankfully Louis awakens just in time, saving them from a lot of awkwardness.

Saturday rolls round and Fashion Cell wakes up Cell Land, desperate to try and wake Yu-Mi up so they can go shopping. Her prayer wakes up the deity, who in turn encourages Fashion to sing. This works to wake up Yu-Mi, who goes shopping, hopeful to buy a stunning outfit for him.

Lust Cell shows up and decides to spice things up, talking about kissing and trying to make her unbutton her dress. Well, Yu-Mi ends up spilling coffee all the way down her dress, ruining everything.

With Lust Cell being kept under control (just about) by the other Cells, Gu-Woong finds his Cell Land under attack by Lustasaurus, which stomps around the ground breathing fire. It’s a hilarious way of depicting both of their feelings, and as Yu-Mi tries to stop Gu-Woong from using fabric softener, the two look at each other longingly. Unfortunately, Gu-Woong’s phone rings, distracting them. It’s a work emergency and he has to go. Goddamnit!

With their date broken up for now, Gu-Woong promises to message her and gets the taxi home. Yu-Mi meanwhile, decides to get the bus. Afterwards, Gu-Woong decides to head over and give her dress back. In doing so, he catches on that she wanted to kiss him and tries to rectify that.

Tentatively, Gu-Woong holds her hand and pulls the girl in close, holding the crook of her back and kissing her passionately.

The Episode Review

Yumi’s Cells returns with another solid episode, one that starts to tighten the bond between Yu-Mi and Gu-Woong whilst simultaneously showing the pre-date jitters and what both men and women go through in the heat of the moment.

The depiction of Lust and Lustasaurus is such a clever little metaphor for the different sexes. This works really well in the context of this show and the different Cell Lands, and how they’re intrinsically linked, which is partly why this show works so well.

However, it does seem like Ru-Bi is now going to be relegated to the back-burner for the rest of the season, while Sae-Yi’s past with Gu-Woong looks to be far more important.

It would seem that the pair have history together and I’m sure we’ll see more of that in the upcoming episodes. For now though, this chapter does such a wonderful job portraying the highs and lows of first and second dates, wrapped up in a heady cocktail of feel-good vibes. One thing’s for sure, Yumi’s Cells has been an ex-cell-ent drama so far!

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You can read our full season review for Yumi’s Cells here!


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