The best replacement for yusei is yugi.

The best alternatives to yusei are rated as following:
★★★★★  yugi
★★★★★  jaden
★★★★★  kalin
★★★★★  zone
★★★★  akiza
★★★★  goodwin
★★  yuma
★★  antinomy
★  aporia
★  judai
★  bruno
★  aki
★  kaiba
★  kiryu
  trudge
  yami
  rex goodwin
  jack atlas

Your alternative for yusei is not listed? Suggest!
Speaking about yusei, one probably shouldn't forget about aki.

Other search terms related to yusei and their ratings are:
★★★★★ aki
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Google Trends

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yugi
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