Recommendations

Both MLs travels in different books (Serendipity) or dimensions (The King) and finds love at some point. Both shows have a happy ending after thinking they lost each other forever.

Although lovestruck in city is about forging stronger relationships which is similar to Call it love

They both are bromances that give off a vibe of something more masked underneath. The leads are embroiled in supernatural cases and phenomena that bring them together as we unveil the hidden mysteries of the world and in turn their history with each other.

Both have similar plots, great cast, great cinematography. If you enjoyed this movie you will definitely like Danger Zone.

Both dramas have body switching in them.
The leader of a boyband and an entertainment reporter are forced into many outrageous situations after they switched bodies. Jiang Yi is a big star in the entertainment industry. He is the cold and distant leader of a popular boy band. In reality, he's simply not good at expressing himself ever since his parents divorced when he was young. Meanwhile, Yu Sheng Sheng has become an entertainment reporter who keeps running up against a stone wall at work. Their lives were not meant to intersect, but an accident results in the two exchanging bodies on their birthday which happens to fall on the same day. The sudden change catches them off guard and with only each other to turn to for support in the days and nights that followed, Jiang Yi and Yu Sheng Sheng gradually fall in love.

Both dramas gave apocalyptic vibe however in Dark Hole there are zombies/monsters that attack people who have to fight to survive.

Both have a strong and smart female lead that disguises themselves as a man. There's also a scheme to overthrow the rulers and kill the crown princes in both of the dramas.

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Sakakibara Koichi is a 15-year-old boy who’s forced to move to a suburban town in the mountains to live with his grandparents in the spring of 1998. One day, he suffers a seizure brought on by a chronic lung condition and collapses, but luckily he’s taken to the hospital in time to save his life. While in recovery at the hospital, he sees a beautiful girl wearing an eye patch and becomes fixated on her before she makes an odd remark about the morgue on the second floor and leaves suddenly.

He meets up with her again when he attends middle school. Her name is Misaki Mei, and Koichi can’t help but notice how the other students and teachers at the school seem to treat her as if she doesn't exist. However, when tragedy strikes several of their classmates, she’s the only person who can help him unravel the mystery behind a string of accidental deaths.

Both are historical dramas in which the FL uses scents/fragrances and the ML is in possession of one she needs.

The female leads on both dramas end up single and both have a child . It's also a family drama and has a lot of episodes. The male leads are both part of rich families .

my obvious professional opinion: both shows have rage-driven female protagonists who seek revenge and plot against the people who've wronged them

College Life
Focus on group of friends
Youth drama
Same ML Zhai Zi Lu with similar witty funny personality

Sumire is a woman that's too kind and keeps falling for bad men. In the midst of heartbreak, she discovers a lingerie brand and makes up her mind to become a lingerie designer. She is determined to pursue her new dream. One rainy day, she meets Soichi and is attracted to him but he holds a secret...

Sumire is a woman that's too kind and keeps falling for bad men. In the midst of heartbreak, she discovers a lingerie brand and makes up her mind to become a lingerie designer. She is determined to pursue her new dream. One rainy day, she meets Soichi and is attracted to him but he holds a secret...