I'm a bit late, but this is the series that Yena's father was drawing in the anime:
I thought that was a neat touch, but I just never got around to posting this comment.
He knew of his destined job all along but he didn't want to leave the way of life he had before because he enjoyed it... when he was kicked out of the hero's party he was sad but probably understood it had something to do with his destiny... on the hike through the mountain we can see he was sad...
@yummyyummy after waking up a bit more, I realized I could use the name under the drawing to find the artist and see if I knew any of the works, because it did look familiar, and I was right, I know the series, it is https://mangadex.org/title/28538/otome-bare, I just couldn't recognize it from...
@yummyyummy You say "these are the only ones i could get" but I'm pretty sure you only missed the top-right one, which I think is https://mangadex.org/title/43610/my-tiny-senpai-from-work (or the sequel https://mangadex.org/title/44007/a-happy-couple), or is at the very least by the same artist...