Barrier: Boundary of Life and Death

A Spell Card of Yukari Yakumo from the world with a never-ending winter. More bullets are added as time passes in this attack. There are two things that come to mind when talking about standing on the edge of life and death. Yukari's best friend, the ghost Yuyuko Saigyouji and the situation that arises during battles of bullets. In battles of bullets, the combatants brush with danger at every turn until they experience the patterns and understand the route they must take. They are serious battles where life and death are separated by the thinnest of margins, and it is almost like the combatants breathe in sync with one another. You could call them the ultimate game.