 If you liked
Hi☆sCoool! SeHa Girls
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 ...then you might like
Phantasy Star Online 2 The Animation
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Both anime have lots and lots and LOTS of SEGA cameos and references.
You may find some enjoyment out of it if you're a diehard SEGA fan and just want to see stuff related to your favorite videogame company.
SeHa Girls referenced the game that the show is based off in some episodes.