Several months after the Ability Card incident,
there was someone who was trying to popularize a competitive
game using cards featuring humans and youkai.
This someone was Chimata Tenkyuu, the Game Master of card games.
Chimata used the fact that unlike danmaku,
her card games weren't painful to play,
allowing her competitive cards to spread.
Supposedly, Lily White had started playing as well.
...However, she felt as though her own card was lacking.
"Please make my card stronger!"
Lily appealed to the Game Master herself,
and in exchange for Lily becoming her card ambassador,
she promised to make strengthen her card as asked...