Recommendations

Tony Yang and King Chin are in both of these, and they’re both about gay characters. However, they’re pretty different in tone, Formula 17 is pretty fun and lightheaded while Crystal Boys is way more serious.

The leader of the Shao Yang clan hosts a magic and martial arts tournament for young apprentices. His daughter Chu Xuan Ji, who has been deprived of the use of her senses, has been entered in the competition – even though her skills are far from advanced. Also taking part in the competition is the Lize Palace’s star student Yu Si Feng.
Students are forbidden from embarking on romantic relationships with one another. But when the two meet, they first become firm friends…and then start to develop much deeper feelings for one another. After a dispute between other students, Chu Xuan Ji is injured and the two young students become separated. To make matters worse, Yu Si Feng is cursed with a spell that forces him to wear a mask that will only fall away if he can find true love.
But four years later, their paths cross again – and the duo slowly begins to learn that their pasts (as well as their futures) may well be intertwined, with heavenly forces very interested in their fate.
(Source: Viki)

~~ Adapted from the novel "The Glass Maiden" written by author Shi Si Lang.

same actors but opposite personality(just in case if you wanna see an angry can and a sweet tin try this) and different story ...

Although the story lines aren’t similar, the concept of transportation system (a train in Train and the subway in Catch the Ghost) is what the mystery in both dramas are based on. The killers in both dramas have a similar strategy in murders too, both having to do with suitcases...

They both have high school settings and love triangles. The male leads in both dramas have a simple, child-like, pure adoration for the female lead. However, while Love Alarm has some fantasy elements, Extraordinary You is definitely more fantastical. Extraordinary You is also lighter fare.

'This is not what I expected' is the movie adaptation of the book 'Dating in the Kitchen' is based on.

The missed opportunities to be together subplot, the color grade effect, "subtle" romance. Good dialogue, but not so dramatic

Cute, comfortable shows where friends enjoy good meals. Contains a lot of hot food and will give you a warm, fuzzy feeling during and after watching. Both are great to watch in late fall and winter.

Both are adapted from a BL novel but got changed to bromance in the making. This guarantees for Bromance at its best! The two male leads go from a cold relationship to becoming brothers for life (more extreme in Xiang Long were they are actually at each other's throats at the beginning.
If you liked one, I'd definitely recommend the other!
It's worth a watch!

ILAND is similar to sixteen because they were both a survival show showing Minor & Major members. They even had similar settings for Minor & Major. Even if ILAND is male idols & Sixteen are female, they are both similar shows. ILAND reminds me of Sixteen. Also, producers and fans voted for their favorite members like ILAND. We voted for our favorite members.

-older/more mature male lead vs younger female lead
-revolves around cooking
-both of the female leads are chefs

Kaguya, Miyuki and Reiko won't stand being the one who confesses their feelings to their love ones. Kaguya and Reiko are both rich heroines who are doing extreme measures to be with their crush. Reiko is not that subtle compared to Kaguya, though. I love Love is War better because Miyuki is as prideful as the female lead, it simply makes it better.

Both have the same male main lead and genre. Cops vs culprit is a huge theme as well. Great action scenes.

-Quirky and strong heroine.
-Smart and respectful male lead.
-Side characters help build the story.
-Good pacing.

Both drama have cold male lead and bubbly female lead.

most importantly both dramas have a really great quality visual and acting.