back when i lived in cols i recall a couple japanese restaurants, but that was about it. nowadays, the japanese presence in dublin, ohio is growing and is much more than marysville auto. for one thing i imagine they like the golf, with jack nicklaus' home course muirfield being there lol.
this was surprising:
Japan is the No. 1 foreign investor in Ohio, with businesses providing about 71,000 jobs, or 30 percent of all employment from foreign companies in the state.
https://www.cityscenecolumbus.com/co...ese-community/
https://www.npr.org/sections/thesalt...n-central-ohio
as for integration, japanese kids get ell services of course and i see nowadays japanese is offered as a language option in the city schools. there is also at least one active japanese saturday school.
http://columbushoshuko.com/wordpress1/541-2/