No need for a clever pun, heian already implies that it's medieval

This song is included in Seihou Crusade Vol. I and can be streamed now on Spotify, Apple Music, and more:
▶Spotify: https://open.spotify.com/artist/5IO81...
▶Apple Music:   / k-v-kaoruko  
▶Soundcloud:   / koishykaoruko  

Social:
▶Twitter:   / koishykaoruko  
▶Twitch:   / koishy  
▶Discord:   / discord  

Original Title: Heian Alien
Composer: ZUN
Arranged by kaoruko
Release date: Aug 2 2020

https://htck.github.io/bayeux/#!/
#東方