Something happens where she breaks his heart and she goes with another guy. Years later, they meet again and fall in love after the FL gets through the ML's cold heart that she caused which she feels guilty about. SML was that other guy and he causes problems for them. Maybe the ML is scared that she will choose the SML again.

Not all elements (not childhood sweethearts, more like childhood friends/neighbors) but maybe some are present:

  • Second times Twenty - highschool classmates
  • Reply 1997 - childhood friends
  • May Queen  - chikdhood friends
  • Operation proposal / proposal daisuken 
  • Autumn concerto - not childhood sweethearts
 Czakhareina:

Not all elements (not childhood sweethearts, more like childhood friends/neighbors) but maybe some are present:

  • Second times Twenty - highschool classmates
  • Reply 1997 - childhood friends
  • May Queen  - chikdhood friends
  • Operation proposal / proposal daisuken 
  • Autumn concerto - not childhood sweethearts


 Shonali:

Reply 1988

Seen all of these, but thanks.

Not exactly childhood sweethearts but friends too

9 ends 2 outs

15 years for migratory birds 

A good day 

In time with you

Love timeless

Reply series

A love so beautiful

Wednesday 3:30 pm


 

 Vaanathi:

Not exactly childhood sweethearts but friends too

9 ends 2 outs

15 years for migratory birds 

A good day 

In time with you

Love timeless

Reply series

A love so beautiful

Wednesday 3:30 pm


 

Seem some of them, but I'll check them out.