>>280223349Volumes 14 and 15 need to be reorganised so that all of the tournament related stuff is in volume 15 and volume 14 contains just the SoL chapters. It's hard to tell whether the series is back on track. Volume 17 is fine as a post-arc cleanup volume that sets up a future storyline with the guardian organisation (volume 9 introduced Telne and volume 13 started the dragon mother storyline).
I looked back and Yozora Ooguma first appears in Kanna and Stargazing. She's in her school's astronomy club, along with a girl who looks a bit like Makomi (the mage JK from the isekai). Apparently, 'Ooguma' is the Japanese name for the Ursa Major ('great bear') constellation, so it's interesting that she already had a link to Kimun before befriending his 3-headed minion.