Proposal : Update Series Hikuushi japanese name

Proposal details

This proposal will make the following change(s):

Update the japanese name of the series Hikuushi

Change the japanese name from Unknown to 飛空士

Based on the following reason: Missing

With the source: https://translate.yandex.com/?source_lang=ja&target_lang=en&text=%E9%A3%9B%E7%A9%BA%E5%A3%AB