Recommendations

Similarities:
- Both are censored same-sex dramas adapted from BL novels
- great chemistry between the leads
- both are wuxia and xianxia genre
- both have great side characters, some you'll love and some you'll hate

It sounds so different in plots but common points are between the two shows:
-Female leads are bullied in university
-Female lead trapped in love triangle
-First male lead is so jealous from the relation of female lead with other male lead
-Nice male leads but hide their real personality
-Female colleagues are jealous from the female lead and pretend to be nice to her
-Leads in their twenties
-Male lead tend to be lonely having few friends
-Male lead is popular in the university
-Male lead always caring about the female lead
-Male lead coming from a rich background
-Female leads are confused towards the male lead

in both, a character gets pregnant after a one-night-stand

both also feature a contract marriage where the couple falls in love later

The leads are co workers
Noona romance
Both set in office environments and shows the relationships between the workers
Something in the rain has a little different vibe since they have ties from the beginning

In both dramas female leads doesn't know about the father of her child. In both dramas one night stand, pregnancy, child are common. In both dramas male leads love's the child without knowing his child.

Both about short-skate arena. Ice skating. and how both our lead start from zero to hero. Happy ending because of their fighting spirit, and things which may seemed impossible, become I'mPossible if you really want to.

Set during the Ming Dynasty, the story revolves around the romance between General Xu Ling Yi and the concubine's daughter Shi Yi Niang, that starts from an arranged marriage. Despite being born with a low status, Shi Yi Niang is extremely assertive and believes that a woman's vision should not be limited to the household. She hopes to rely on her embroidery skills as a ticket to freedom. However, the once esteemed Luo family is in a state of decline. Hoping to save the clan through a marriage alliance, Shi Yi Niang is selected to become the wife of Yongping Duke and great General Xu Ling Yi. Things were not easy for her due to the Xu family's biases towards her. Nonetheless, she manages to win over their trust through her optimism and sincerity. Xu Ling Yi also becomes attracted to her various beautiful qualities such that husband and wife manage to find love after marriage.
Through Xu Ling Yi's support, Shi Yi Niang opens Xian Ling Pavillion to have her own embroidery workshop. Meanwhile, Xu Ling Yi experiences many setbacks as he tries to protect his homeland and improve the livelihood of the people by supporting the lifting of a maritime ban. As they face a crisis that could spell the end for the Xu family, Xu Ling Yi and Shi Yi Niang continue to support each other through thick and thin.

The lead female uses her intellect through challenging obstacles and understands her purpose. She also wins the trust and love of the main lead. There are also jealous concubines and trickery. Both stories have a lot in common.

Both dramas have main leads that experienced a traumatic event in childhood that led to unforgettable experiences together. (Also both childhood ML is Na De Reum :)). Both dramas have an underlying angst and PTSD -like symptoms among the main characters. Both have a main couple that works through their relationship in a healthy way and support each other. Both dramas have a SML / supportive colleague that creates a trio that takes on the world together ! :) no fantasy element in Radio Romance but the overall mood is similar.

"primum non nocere"

Both are novel adaptation by Nakayama Shichiri. Both ask philosophical questions: What is life? Should mankind imitate God? Is it right to give up on life for the sake of ending pain? Is it right to operate above the law?. Both share the same moral ambiguity in the characters.

Sport themed with strong bonds between the main protagonists. Also strong competition between a strong team and an underdog.

Both of these are BL of the "Unlimited Flow" (continuous horror games) Genre.

The MC and ML of both stories are really similar. And, in both stories, the two have a backstory with one another.

Earth is Online focuses a bit more on the arcs and what exactly the towers are/do.

Global University focuses a bit more on the inner turmoil and character relationships.

Both of these are BL of the "Unlimited Flow" (continuous horror games) Genre.

In Earth is Online, the main character is cold/calculative while the male lead is very strong and strategic.

In Kaleidoscope of Death, the main character is very adaptable and the male lead is a survivor.

While Earth is Online is a bit more on the comedic side, Kaleidoscope of Death is very raw with its characters and you can truly feel their despair in every world.

Both of these are BL of the "Unlimited Flow" (continuous horror games) Genre.
Both have very cold/calculating main characters and male leads.
Both are pretty slowburn.

Earth is Online's games are a bit less scary than Global University Entrances though.

Both are thai series which involve love relationship between employer and employee

Female lead works for the Male lead and falls in love with him

In both series the people around them and their co-workers try to separate them by creating differences

FL work hard for her family and is very down to earth because she comes from a middle class family.

The ML care for FL a lot and tries to protect her from all the evil people because he knows she is innocent, he trusts her whatsoever.