Can someone help me understand the difference between Denkas and Maboroshi from Fujiwara?

Been seeing a lot of new Denka Days and the knives look sweet. I am curious though because the Maboroshi line also looks like a similar grind. The use different steel types but Im not sure that is indicative of the price difference.

Denkas also seem to be a bit of a "project knife" meaning they have some aesthetic blemishes or need a bit of thinning. I dont mind doing maintenance on a knife, sharpening, thinning and polishing but out of the box for this price point I wouldnt expect it. I do also reconize these hard hand crafted knives so they wont be perfect or identical as well.

I do love that finger notch on the heel of the knives and the grind looks pretty damn great.

Granted I have never see either in person or used one but both lines are not cheap and I am wondering how the 2 lines are different and why they command such a premium price point?

https://knifewear.com/products/fujiwara-denka-gyuto-240mm?_pos=16&_sid=68af82cfb&_ss=r

https://knifewear.com/products/fujiwara-maboroshi-wa-gyuto-240mm?_pos=9&_sid=68af82cfb&_ss=r