Recommendations

Both are epic wuxia movies set in Chinese Imperial Court. Both are about members of Imperial family plotting conspiracy to kill against each other. Both are based on famous plays by Shakespeare.

Both are based on famous epic wuxia literature.
Both star Chow Yun-fat & Jet Li.
Both are two of most famous epic wuxia movies

Both are about retired con artists who decide to make comeback for revenge. Both are based on famous manga.

Both movies are about death games, gaining superpowers, fighting, shooting aliens. Both are based on famous robotpunk special suit sci-fi manga by Oku hiroya.

Both are about a person, after gaining supernatural power, decides to punish evil.
Both are based on famous manga.

Both star Main character with superpowers (Fujiwara Tatsuya) Both are about two supernatural people trying to kill each other before other kills them.

Both are about using a notebook that makes written things come true, to try to kill each other. Both are based on famous manga.

At the beginning of the series both the male leads are cold blooded ruthless business men. Due to a life changing event the personalities of both male leads change for the better drastically from before. If the changed personality is caused by a heart transplant in Falling for Innocence , it is an accident which changes the male lead's personality in the Sawan Saang.

The plot is similar to 'The love of Happiness': I think TLH is a remake!
Being neighbours, three sisters and one is married, two of the youngest get in arguments with the girl. He gets flashbacks, the neighbours lost a boy.

Both movies give off a similar vibe with their execution and plot reveal. the stories come together in a strange way. and ofc the cinematography is visually stunning with confessions being more complex. girls in the dark is like ddlc meets confessions. amazing watches

Obviously the similarity is about the theme, a robot. Apparently the male protagonist is an actual robot and falls in love with a human girl.

Both of them talk about the importance of relationships in our lives. Even though The Happy Loner has only 2 episodes, it perfectly depicts the struggles of the main characters, their hardships and how they change each other after their meeting just as in My MIster.

Both feature main character with glasses protagonist (Ryunosuke Kamiki) both are based on famous manga.

Both are about famous petty theieves, pirates during Edo period. Both are based on famous historical manga.

Both with a really cute couple. Love triangle that can make you have second lead syndrome. Light hearted comedy.