Well, it could be about a unique take on Naruto's world where there are special summonings related to aeons. Maybe it involves new characters or abilities that come with these aeon summonings. It's hard to say exactly without reading it, but it might also explore different storylines that the original Naruto series didn't cover.
I'm not entirely sure specifically what 'naruto aeon summoning fanfiction' is about, but generally in Naruto fanfiction, 'aeon summoning' could imply a whole new system of bringing forth creatures or powers. It could be that the writer has created a special connection between Naruto's world and some sort of aeon - related concept, perhaps from another mythology or their own imagination. It might have Naruto or other characters using these aeon summonings to fight new enemies or solve new problems in the story.
Chapter 403, "Neither Jiang Lijiang nor Jiang Yan Came?", is the clearest early answer because it turns Dragon Ridge Island's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Now our helicopter has arrived above the harbor in Yan City, and...
Chapter 598, "She Blew Up Your Family's Lake!", is the clearest early answer because it turns Miss Jiang's situation into a concrete plot event. The chapter gives readers a real answer by opening on Have you all fallen silent?] [I've fallen silent as well.] [Some say...
Chapter 573, "You Are Already Ugly Enough", is the clearest early answer because it turns Hua University's situation into a concrete plot event. It opens with Social work was the major I switched to for balance, my minor is in...
Chapter 376, "I'm Just Afraid You Don't Need Me Anymore", is the clearest early answer because it turns Jin Siyue's situation into a concrete plot event. Early on, The phone call fell into a long silence.. By the end, A week passed like this before she finally brought gifts to the....
Chapter 299, "Only Got Second Place in the Whole Grade", is the clearest early answer because it turns Jiang's situation into a concrete plot event. The chapter turns that into something concrete by moving from She said as she poured Old Sir Jiang a cup of tea, "Dad, you might...
Chapter 189, "Do You Still Like the Gifts from the Program Team?", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. Early on, Seeing his painstakingly planted roses trashed like this, even as a....
Chapter 239, "Although he's cheap, he's also stupid", is the clearest early answer because it turns Director Sun's situation into a concrete plot event. It opens with I can't believe it, I thought the live broadcast was over, but here's...
Chapter 437, "A Gentleman's Revenge is Not Too Late Even After Ten Years!", is the clearest early answer because it turns Years's situation into a concrete plot event. Early on, [What's happening, why did a group of people suddenly show up and....
Chapter 241, "Thieves Will Shed Two Tears When They Break In", is the clearest early answer because it turns Director Sun's situation into a concrete plot event. Early on, It wasn't the director," Jiang Yan said with a blank expression, "Did....
Chapter 226, "Live Fortune Telling!", is the clearest early answer because it turns Chui's situation into a concrete plot event. The chapter gives readers a real answer by opening on What was all that before then? and ending on Are you sure you can be on the list of winners?] Zhou Xu: [?.