A proposal didn't happen, because they were engaged since they were children

This is a challenge. I remember seeing earrings, bracelets and I think even necklaces. I don't remember rings. I look forward to the answers.

Okay, then I guess Cutie Pie will count. I'm also a little surprised with lack of answers.

2. A Round Trip to Love

3. My Bromance (2014) / My Bromnace: 5 Years Later

4. Our Skyy (specifically the Sotus couple)

5. I love you as a man Pt.2 

6. Don't Say No (I know rings were exchanged but I can't remember who bought them)

Yes, I believe he was.

Since the topic is stalled some, before accepting engagement rings, I will also accept it if just one leads buys a ring for the other, not necessarily each having one.

Topic stalled again; I think the topic should either be changed or broadened. 

7. HIStory3: Make Our Days Count - 2nd lead couple

8. What Did You Eat Yesterday?

Since it is stalled, engagements/proposals can be accepted too.

Ok, now that engagement rings have been included:

9. History 4 Close to You

10. Manner of Death

Bonus TharnType 2: 7 Years of Love

A added two more before the engagement thing, so you are 10.

10 dramas where the FL and ML know how to play/have fun/laugh/be silly together, tease each other – E.g Something in the Rain.

1.  Why Women Love

2. The Oath Of Love(genes)

3. Weightlifting Fairy Kim Bok Joo

4. My First First Love

5. Accidentally In Love

6. Notification The Series

8. Twenty-Five Twenty-One
9. Happiness
10. Strong Woman Do Bong Soon

10 dramas with an awesome animal side-kick or just a cute pet that appears often