Pretty simple. I'm looking for great romance in the Shounen demographic. I've read a few romances labeled Shounen and rather enjoyed them (though they don't seem to get that much positive), like Shishunki no Iron Virgin or Ginen Shounen, so I'm looking for general recommendations of what people consider really great Shounen romances. And if it wasn't clear, I mean Shounen, not Shounen-Ai.

Taisho Wotome Otogibanashi and its sequel Shouwa Otome Otogibanashi
Do Chokkyuu Kareshi x Kanojo
Dosanko Gyaru ha Namaramenkoi
Mission: Yozakura Family
Please Don't Bully Me, Nagatoro
Ponkotsu Fuukiin to Skaato take ga Futekisetsu na JK no Hanashi
Subete no Jinrui o Hakai suru. Sorera wa Saisei dekinai.
Jijyou wo Shiranai Tenkousei ga Guigui Kuru
Karakai Jouzu no Takagi-san

I'll be looking at these; which do you like best? Besides Takagi (I seriously didn't know that was Shounen, it's one of my absolute favorites).

Hmm, that's a tough choice. They're all quite different so it's hard to pick one I like most over the others. Let me list some of the distinct aspects of each series, maybe that'll help you decide.

Taisho is a true classic which I think everyone should read, it's both fluffy and dramatic, and it's complete so that's a bonus. Showa is a sequel with different MCs but the ones from Taisho become supporting cast.

Do Chokkyuu Kareshi x Kanojo is a very refreshing take on the romance genre, it's hilarious and upfront and there's good communication between the MCs.

Dosanko Gyaru is probably the weakest plot-wise out of the ones I've recommended, because over time the author has seemed intent on turning it into a harem situation. It's still worth a read though, there's a nice range of personalities.

Admittedly I am not caught up on Yozakura Family, but the first 20 or so chapters I've read I have enjoyed. Good mixes of action/comedy/romance are hard to come by, this is one of them.

The development in Nagatoro is very fun to follow, both MCs clearly like each other and it's just a matter of time until they admit it. There's an anime coming out soon! If you like the teasing/bully thing this is a good choice.

Ponkotsu Fuukiin and Subete no Jinrui are drawn by the same person and honestly I just really love his art style. One of them is written by him as well. Both have very realistic relationship development that moves along at a good pace.

Jijyou wo Shiranai Tenkousei has characters that are closest in age to those in Takagi-san. It's just genuinely adorable, probably the fluffiest thing on this list.

I've tried multiple times to pick a favourite while writing this but reading just one would mean missing out on the others, most of which are equally as good. Go through them at your leisure, I suppose. Enjoy!