Drama/movie with Age Gap

AGE GAP: 20 years (15 and 35)-The ages refers to the manga.

TYPE OF RELATIONSHIP: Friendship (some scenes suggest that the teenager have a crush on the man)

AGE GAP: 19 years (17 and 36)

TYPE OF RELATIONSHIP: Friendship, Student/Teacher (It's implicit that the teenager has a crush on the teacher)

AGE GAP: 10/11 (23 and 34) - (In this case I found some conflicting information, so I'm not sure it is right)

TYPE OF RELATIONSHIP: Bromance (it was originally a romance).

AGE GAP: It's mentioned in the show that there's a big age gap between them. However, they never specified their ages. It should be around 7 years ( 25 and 32).

TYPE OF RELATIONSHIP: Romance.

AGE GAP: 28 years  (26 and 54)- Again, I found many conflicting informations.

TYPE OF RELATIONSHIP: Romance.

AGE GAP: 14 years (20 and 34)

TYPE OF RELATIONSHIP: Romance.

AGE GAP: 58 years (17 and 75)

TYPE OF RELATIONSHIP: Friendship.

AGE GAP: 13 years (18/19 and 32)- The second age might be not correct.

TYPE OF RELATIONSHIP: Bromance (very close to romance).

AGE GAP: 14/16 years  (16 and around 30)- Again, I found many conflicting informations.

TYPE OF RELATIONSHIP: Bromance (with some romance hints)

AGE GAP: 14 years  (20 and 34)- Again, I found many conflicting informations.

TYPE OF RELATIONSHIP: Romance (a very complicated romance) .

AGE GAP: around 5 years  (They are both in their 20s)- In the movie while one of the ML is a teenager, the other one is a child.

TYPE OF RELATIONSHIP: Bromance (very close to romance).

AGE GAP: 11 years  (22 and 33)

TYPE OF RELATIONSHIP: Bromance (censored romance).

AGE GAP: maybe 1000 years  or something (20something and ???)- She's a vampire so it's impossible to tell.

TYPE OF RELATIONSHIP: Romance.

AGE GAP: 7 years  (17 and 24)- I found very few informations, so I'm not sure it's correct.

TYPE OF RELATIONSHIP: Bromance.

AGE GAP: 9 years  (25 and 34)- The information I've found might be incorrect.

TYPE OF RELATIONSHIP: Friendship, Half-brothers.

AGE GAP: around 20 years  (20something and 40something)

TYPE OF RELATIONSHIP: Romance/Secret affair.

AGE GAP: many years  ( around 16 and 30something)- The movie is about some girls who engage in enjo kosai, so they "date" older man.

TYPE OF RELATIONSHIP: Enjo kosai/compensated dating.

AGE GAP: 7 years  (25 and 32) 

TYPE OF RELATIONSHIP: Maybe romance, maybe not.

AGE GAP: 11 years  (18 and 29) 

TYPE OF RELATIONSHIP: Romance.

AGE GAP: 12/14 years  (19 and around 30)- We can't tell their exact ages but we know one of them is a college student and the other one has already graduated).

TYPE OF RELATIONSHIP: Bromance (with some romance hints).

AGE GAP: 10 years  (29 and 39)

TYPE OF RELATIONSHIP: Romance.

AGE GAP: around 12 years  (31 and 43)- It refers to the second short "Collector"

TYPE OF RELATIONSHIP: Romance (But she's just using him).

AGE GAP: 7 years  (18 and 25)

TYPE OF RELATIONSHIP: Romance, Teacher/Student.

AGE GAP: 5 years  (16 and 21)- It refers to one of the possible pairing with the ML. One episode of the drama it' s focused on couple with big age gaps.

TYPE OF RELATIONSHIP: Unrequired love/romance.

AGE GAP: around 10 years  (16 and 25/26)

TYPE OF RELATIONSHIP: Romance (She has a crush on him when she was a teenager but they end up together 3 years after they met).

AGE GAP: around 20 years -(Their ages are never mentioned but it's mentioned that there's a big age gap between them)

TYPE OF RELATIONSHIP: Romance, Uncle/Nephew (yes, it's as bad as it sound. They aren't blood related tho. I found this drama pretty weird and controversial: watch it at your own risk).

AGE GAP: 18 years (19 and 37)

TYPE OF RELATIONSHIP: Romance

AGE GAP: 18 years (26 and 44) - Since in the movie their ages are never told, I took as a reference the actors' ages. 

TYPE OF RELATIONSHIP: Romance, Mentor/student, Secret affair (The story is pretty complicated; don't expect this to be a cute BL)