So damn cute and funny to boot. It's more Takagi-san except they have a kid, what more do you want?
Story: 8/10
Adorable and funny. Takagi-san and Nishikata are a family and they've got a young daughter.
It's slice-of-life so no overall narrative, except Chii growing. As the main pair are now married, there's no slow-burn romance like the first manga so this one focuses mostly on the games the characters play with each other and Chii's antics.
While many chapters are the slice-of-life family comedy, some chapter are slightly more serious (though still fun) explorations of the two adult characters actually parenting their kid. Seeing these two as parents is quite interesting and it forms the emotional core of the series, as the romance did in the prequel.
Characters: 9/10
The old characters are as endearing as they were in the first ones.
The (former) Takagi-san is an adult now and she's definitely more mature, though just as mischievous as ever.
Nishikata is unfortunately a weaker character. He's definitely more mature compared to the prequel but not nearly enough - he had a child, how is he embarrassed to hold his wife's hand??? The amount of times he's embarrased about something that should be utterly mundane for an adult man who's married with a daughter is crazy, it's a bit cringeworthy and can take you out of the manga at times. Still his interactions with his family are entertaining and it's fun seeing a new fatherly side of him - including all new reasons for him to freak out.
Chii is a very well-written child character, realistic (though of course with some comedic exaggeration). She's so precious. I would die for this fictional child.
Art
I actually didn't notice this spin-off was written/drawn by a different person until after I finished it, so if you liked the art in the prequel, you'll like the sequel. Good reaction panels, cute when it wants to be. Very good overall.
Overall: 9/10
This is some of the best slice-of-life I've read. Like the first one, it has comedy and emotional aspects, though with familial love instead of romantic. What more do you want me to say? If you've read ‘Teasing Master Takagi-san’ then you won't be disappointed reading this, I enjoyed this manga about as much as the other - I have to give props to Inaba-sensei for being able to capture the vibe and characters of the original so well.