This was one of those Jdramas that started pretty well. the story was detailed and on-point. However, the writers decided to make it different and it was good, until it wasn't.

Story:
Adultery, but in a really absurd way. We get to see two very nonfunctional couples who are struggling with their sexless lives. however, this is not the whole thing. The characters are so lost and don't even know what they are doing. The concept of talking and marriage counseling doesn't even exist( which is not understandable imo). So to find solace and peace, they cheat; one emotionally and the other physically. and cheating is somehow forgiven by both parties again without talking. the reason why I'm saying it should've ended on episode 10 is that the leads finally got out of their dungeons and decided to make things right. but right about to do so, episode 11 screws everything up :/

Acting and chemistry:
Honestly, the actors and actresses don't depict emotions much. it's nonexistent kinda. except for a short period that we see Michi and Makoto getting close and romantic( Makoto's feelings were sincere but Michi's??! she was drowned in her mind). and the worst acting award goes to the second lead ( Yo and Kaede). The childish and selfish behavior depicted was unbelievable( but that does exist in real world, so kudos to the writer)

OST:
unlike many Jdramas I watched, this drama had a few songs that were quite good.

one thing I like to mention is that by episode 10, the whole story was wrapped up. we could guess the future based on the things we saw and it was over, but suddenly episode 11 popped up and the leads were all good with their exes? what happened? just a few months passed and they suddenly realized they can go back to being Comrades?LOL
as much as I liked the first few episodes, the last episodes weren't OK.