Love By Chance is a series that's definitely worth watching and even re-watching, and here's why:
LBC does a great job at portraying relationships realistically, it doesn't use miscommunication as a plot device and instead lets characters actually talk to each other to sort out problems, it also has a wide variety of side couples that balance out the incredibly sweet main one, some work out and some don't, just like in real life.
It also doesn't fall into clichés from most BLs, it even takes those clichés and turns them into something actually good and worth watching.
It doesn't mock gay relationships or go too hard on the fan service, and it definitely doesn't have repetitive plot lines.
The music, although not new to some, is catchy and matches the mood of the scenes well.
And the acting, even if the actors are young and some very new to the industry, is really good!
This is the type of show you can watch after a bad day and feel better.