Recommendations

Both have:

- Teacher lectures and tries to change students
- Evil bullies with little self-awareness
- Bullying
- Teacher with ulterior motives to becoming a teacher

Both are mini dramas in which the leads are caught in a time loop that always ends with them dying, and must figure out who's behind it to survive and get out of the loop.

Both have:

- Teacher aiming to fix the classroom and dissolve hierarchy
- Growth in students and teachers
- Suspense
- 3 Nen a Gumi is more serious but definitely has a lot of the themes of Billion x School

Both the leads are connected in some magical way and keep dying over and over and moving slightly back in time, trying to figure out how to survive the events that caused their death the first time.

Both are Thai GL. Both are made by the same company "idolfactory". Both have romance between two people of different social class.

Both are Thai GL. Both are made by the same company "idolfactory". Both have the same actors playing the main couple "FayMay".

They are both Thai GL. They are both made by the same company "idolfactory". They are both adapted from a novel by the same author "MonMaw".

Both have lesbian romance(gl). Both are from Thailand. They both have the same actors playing a couple.

Both are Thai GL. 23.5 takes place in high school. We don't know what no Romeo is about yet but the actors are 19-20 so they are younger then most gl actors so that is why I'm recommending 23.5

The trailer is giving wifty and the plot is lowkey the same!!!! I want it to air rnnnn! They all have a highschool theme place and highschool friendship! It kind of also giving a little of you are desire because of the move of the female lead. If you watch the trailer you'll see what I mean. I also love the male actors so.... The 2nd main lead, Zhai Xiao Wen is kinda giving Gu Ran from wifty of the personally and the female lead that goes with him is giving jiang jia from wifty. The other male lead, zhoukeyu is giving zhanglurang from wifty and the female lead going with him has the same personality as su zai zai! Over all, like all of the characters in this drama is matching up with wifty. (Disclaimer: I have only watched te trailer so I am not 100% sure)!!

Both are GL (lesbian romance). Both are darker then usual gl. They both have criminals as main characters.

Both are Thai GL. Both are darker then the usual GL. Both deal with criminals. ClaireBell it's prison, The Dragon House it's mafia.

Both are Thai GL. One of the authors that wrote the Petrichor novels also wrote ClaireBell. Both have darker subject that usual GL. They both deal with criminals.

Lin Zhen Xin is an ordinary office worker who gets ridiculed by her subordinates. Dejected, she listens to a cassette recording of an old Andy Lau song. This brings her back to her high school days, where she was an ordinary high school girl. She has a crush on Ouyang Fei Fan, the school's most popular male student.

One day, Zhen Xin receives a chain letter, warning her of impending doom if she does not pass the message on. Naively, she passes it on to Hsu Tai Yu, the school's notorious gangster boss, her maths teacher, and Tao Min Min, the school's most popular girl. While Tai Yu was reading the letter, he gets injured in a car accident. After weeding out the letter's sender, the angry Tai Yu makes Zhen Xin his 'friend' and forces her to run errands for him in exchange for leaving Fei Fan alone, thus making her his errand-girl.

Lin Zhen Xin is an ordinary office worker who gets ridiculed by her subordinates. Dejected, she listens to a cassette recording of an old Andy Lau song. This brings her back to her high school days, where she was an ordinary high school girl. She has a crush on Ouyang Fei Fan, the school's most popular male student.

One day, Zhen Xin receives a chain letter, warning her of impending doom if she does not pass the message on. Naively, she passes it on to Hsu Tai Yu, the school's notorious gangster boss, her maths teacher, and Tao Min Min, the school's most popular girl. While Tai Yu was reading the letter, he gets injured in a car accident. After weeding out the letter's sender, the angry Tai Yu makes Zhen Xin his 'friend' and forces her to run errands for him in exchange for leaving Fei Fan alone, thus making her his errand-girl.