Lemme just say flat-out say I absolutely adore this manga and found myself almost always smiling while reading it. Also, I'm all caught up on the English volumes, i.e. I've read the first 4 and not the newest/5th one. I might allude to spoiler-ish things but I won't outright spoil anything. Okay!
Story: 8/10
It has a really great premise, don't get me wrong, but if I'm gonna be fully honest, it's quite predictable. Lemme also say that, I swear, there were many times where a problem could have been solved if. they. just. communicated. But hey, that's life isn't it? But I digress, the story was still executed extremely well! It's funny and light-hearted, with some nice serious moments here and there. But I do kind of wish there were more instances of them doing fun stakeouts like that one chapter in the middle of the second volume though haha
Art: 8/10
It's nothing AMAZING, but it's very nice nonetheless.
Characters: 10/10
Aight yeah to me, this is where it shines the most. The two leads play off each other so well, and their relationship feels very fun and natural. Nothing feels forced or uhhh problematic and the conflicts they had felt realistic (albeit yea like I said, they could have been solved in an easier/faster way but I guess that makes it more real?). The clash of their personalities is fun and they both have considerable development throughout the series, which is pretty cool. Neither of them feel like some stereotype or cookie-cutter character; they're both dynamic and have depth to them and have a lot of personality. Even the side characters, especially the two from the 3rd and 4th volumes, are really great too.
Enjoyment: 10/10
Like I said at the start, I would often be happily smiling (and laughing too, honestly) when reading this and just really loved it all. Where the story lacked, the characters carried and fully made up for it. Oh, one thing I haven't mentioned yet is that the sex scenes aren't much of a focus/they don't span that many pages, and so they don't really feel like pointless hentai. I love how the relationship feels very natural, healthy, and fun. I look forward to the story continuing in the future!
Overall, I would definitely recommend this to anyone who enjoys yaoi in any aspect or anyone who would like to get into yaoi since it's a nice, light-hearted story to start with. I hope you enjoy it just as much as I do ^^