After transmigrating to the world of A Certain Magical Index during the Tree of Life era for more than a decade, Siegfried has just slain a dragon and become a dragon-slaying hero when an invitation to join a chat group suddenly appears before him.
Ding! The Dimensional Chat Group sincerely invites you to join!
Here, you can find kindred spirits! A partner to spend your life with! A fated rival! An enemy who loves and loathes you in equal measure! A chance to break through your bottleneck...
Will you accept the invitation?
“Thanks for the invite. I'm at the Tree of Life, just finished slaying a dragon, and this involves people in the circle...”