サモンナイトU:X 5 ユークロス —狂界戦争—

[DeepL Translation - needs review] Volume 1: A story that fills the 300-year gap between the "Summon Night" games "Summon Night 1-4" and the latest "Summon Night 5"!　All the main characters from the "Summon Night" series appear in this volume!　The novel's original protagonist, Mikoto, uncovers the mysteries of the other world of Rijnbaum!

(Translator: DeepL)