I'm looking for a yaoi manga where the brother is jealous of his sibling's boyfriend- all suggestions are appreciated. 😃

In Aijin there is some jealousy going on... he is a step brother though

BLT - Burning Love Twin
Café Relish ni Oide
From 701 Goushitsu
Ijiwaru na Aitsu
Koisuru Boukun
Lollipop Dragoon
Love Stage!!
Mitasareru Kuchibiru
Sasayaku no wa Sono Yubi
Nureru Karada (YAMAKAMI Riyu)
Oresamateki
Kono Kimochi wa Koi ni Naru
Super Lovers
Yorokobi wa Hiza no Ue
Yorokobi wa Ude no Naka

List of Warui Series:
Vol 1 Warui Koto Shitai [1-1]
Vol 2 Waruiko Demo Ii? [1-2]
Vol 3 Kirai ja nai Kedo [2-1]
Vol 4 Koi Ja nai Kedo [2-2]
--- Warui Koto Bakkashite Gomennasai [1-3 & 2-3]
Vol 5 Warui Yatsu Demo Ii [1-4]
Vol 6 Mujihi na Otoko [3-1]
Vol 7 Warui Koibito ja Dame? [1-5]
Vol 8 Kare ja nai kedo [2-4]
--- Warui ko Tachi no Bansan [1-6 & 2-5]
Vol 9 Mujihi na Anata [3-2]
Vol 10 Sunao ja nai Kedo [2-6]
Vol 11 Mujihi na Karada [3-3]
Vol 12 Warui Ouji Demo Suki [1-7]

Everything's Yaoi in My Mind!

Honto Yajuu I think?