Proposal : Update Series Soul Eater japanese name

Proposal details

This proposal will make the following change(s):

Update the japanese name of the series Soul Eater

Change the japanese name from Unknown to ソウルイーター

Based on the following reason: Missing

With the source: https://ja.wikipedia.org/wiki/%E3%82%BD%E3%82%A6%E3%83%AB%E3%82%A4%E3%83%BC%E3%82%BF%E3%83%BC