Indeed. Paying attention to details and trimming up around the ears, temples, back of the neck, etc. are the secret ingredients that make the difference between people asking "did you cut your own hair?" versus "did you get a haircut?"
Don't sweat too much if you have to practice on it. You'll get the hang of it eventually!
There have been some (spiritual) sequels which have been or soon will be localized. Perhaps those can be an entry for anyone to see if the genre floats your boat!
https://store.steampowered.com/app/2061250/Shin_chan_Me_and_the_Professor_on_Summer_Vacation_The_Endless_SevenDay_Journey/ https://store.steampowered.com/app/2839280/NatsuMon_20th_Century_Summer_Kid/