it says the uke is 29 in the first chapter i believe and it says he's 30 in the third chapter (considering they have a confirmed 10 year age gap i assume he either had a birthday in between timelines or the author was just rounding up)
it really was a cute story! i agree that the fact the age gap not being brought up a lot was nice, a lot of stories dramatize "older" characters in their 30s as extremely old when that is still really young

It’s really cute if you ignore the age gap. It’s doesn’t specific say how old is the uke but it’s estimated around 30. It didn’t really bother me that much like others because they don’t bring it up all the time.
Though one thing I hated was when the employee was complaining about the seme. It don’t matter if he’s close to you or not, he’s not required to. You guys aren’t friends, nor family you just both work at the same place.