Sweet First Love (2020)

Similars

Co-Habitation Genious Cold-Male Lead who treats the FL warmly Plus there's one scene that is a copy of each other. (Not gonna spoil which one)
I'm actually upset that no one has recommended this yet. Some major points of similarity as both have: - non-blood-related siblings/???? (childhood sweethearts) turned lovers trope - banter (except I think Sweet First Love's is a lot better) between the leads - a lot of romance which makes it perfect for mindless binging (more so in Exclusive Fairytale in my opinion) - school life and uni life (although there's more school life in Sweet First Love) However, if you haven't watched both and want to know which one's more suited for you, Exclusive Fairytale is 1000% romance-centered but has none of the stereotypical misunderstandings or jealousy. Whereas, Sweet First Love has sparks flying everywhere that is on an incomparable level for me, and it contains quite a bit of jealousy from the male lead, but is so cutely executed. It does also have a little bit more plot development than Exclusive Fairytale.
Meeting You

8.1 2020

-Similar age (High school & University Students' love story) -Both MLs are smart & brilliant , and most importantly, they see only the FL in their eyes - Both FLs are cute and active but poor in their study and need ML help -The bright sides of these two dramas are showing pure Teenagers and their spirits in respective field
Both leads are raised as siblings, ML loved FL from long ago but is a little mean to her. ...................................................
I didn't much like unstoppable youth as it looks like something is missing, ending is kind of rushed or incompleted I don't know what ? But the concept was very likable for me . The transformation of the girl, from being under confident to being confident and national player , it was really interesting and some may not like the boy's character as he seems stiff but it was ok for me as his character was being portrayed like that only same goes for Sweet first love too .. currently completed ep 10 , I'm loving it..do give a try . Happy watching :)
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Same plot .. Male lead is cold and fluffy female lead Highschool First love Uncontrollable jealous male. Lead Aish,we can just say that this is the Japanese version of sweet first love .!! Hope. You njoy it
Go Ahead

8.9 2020

The plot is very similar: non-blood-related siblings falls in love growing up. But Go Ahead is way better because it's not only about the romance, but the whole family plot.
Hidden Love

9.0 2023

From (unrelated/not blood related) brother to lovers relationship, you might also like this. When she was only seven, Zhuo Yifeng witnessed both of her parents' death from a car accident. The extreme trauma causes her to suffer from selective amnesia as she completely blocks out her past experience. Zhuo Yifeng's parents leaves her under the care of their friend Su Zijian, whose young son Su Muyun is two years younger. Assuming a new identity, Su Nianfeng grows up alongside her younger brother Su Muyun except their relationship is less than friendly. Su Muyun is a legendary name at school while Su Nianfeng is someone easily ignored. During her third year, Su Nianfeng who had no goals in life becomes determined to apply for medical school because of her good friend Le Diyin. Le Diyin is her close confidante. He is warm as the sunshine but suffers from a strange disease. Su Muyun is mean to Su Nianfeng on the surface but silently stands by her as she reaches for her dreams. As they enter university, popular girl Ouyang Qingxue exposes a so-called truth that causes Su Niangfeng to misunderstand the family that adopted her. She leaves home to live independently in search for the truth.
Both dramas has + Both drama has to do with car accident. + secret love +Fake sibling +both has Ryan Ren +school romance, smart male lead +bright female lead
-both high school drama -ML seems evil in FL eyes -ML bullys FL as well as protect her -both are funny & cute dramas
Both dramas share similarities in the storyline and the nature of the relationship between ML & FL are the same: the FL was adopted and the ML swore to protect her. However, as they grow into teenagers, they become a bickering pair. ML develops romantic feelings for the girl who was raised to be a "sister", although they share no blood relationship. ML becomes protective and is constantly warding off all boys who get too close to his "sister".
Male lead tries to stay close to her by any means. Female lead is clueless ML is in love with her. Also he does anything he car to help her but she always misunderstands.
Autumn Tale

7.7 2000

If you want to try the melodrama version of this so-called "Fake Siblings at First" then this series is good for you. -It maybe old but gold. -Many adaptations/remake were made from this series (Chinese, Korean, Thailand). -You can also check the Chinese Movie of this series which is released last year entitle "Autumn's Fairy Tale".
Popular and cold male lead who secretly like the FL and helps her to get better grades etc. Jealous of other male friends. Starts in high-school and ends in adulthood.