Proposal : Update Manga Tourou no Ori themes

Proposal details

This proposal will make the following change(s):

Update the themes of the manga Tourou no Ori

Change the themes from :
Unknown
to
Age Gap, Historical, Psychological, Tragedy

Based on the following reason: Missing

With the source: https://www.mangaupdates.com/series/aqsru40/tourou-no-ori; https://www.anime-planet.com/manga/tourou-no-ori