My favourite 20 Blue/Red or Red/Blue ships
At least the ones that I have at the top of my head. The order of all the images in this edit is just randomized. It is not a ranking either.
Not going to lie, the image edit itself looks pretty "goofy", but that is just what I honestly think.
From the top row and also from left to right:
SugiKaru / Sugino Tomohito x Akabane Karma [Assassination Classroom]
Astelle / Asta x Noelle Silva [Black Clover]
GaruLucky / Garu (Ookami Blue) x Lucky (Shishi Red) [Uchuu Sentai Kyuranger]
Zukka / Zuko x Sokka [Avatar: The Last Airbender]
AoKaga / Aomine Daiki x Kagami Taiga [Kuroko's Basketball]
MyPhai / Mydei x Phainon [Honkai: Star Rail]
TakeRen / Taiga Takeru x Kizaki Ren [THE iDOLM@STER SideM]
NozoRen / Nanase Nozomu x Munakata Ren [Tsukipro]
YariYumi / Cú Chulainn (Lancer) x EMIYA (Archer) [Fate]
SuleMio / Suletta Mercury x Miorine Rembran [Mobile Suit Gundam: The Witch from Mercury]
YamaGoku / Yamamoto Takeshi x Gokudera Hayato [Katekyo Hitman Reborn!]
ArleFuri / Arlecchino x Furina [Genshin Impact]
LanReki / Hasegawa Langa x Kyan Reki [SK8 the Infinity]
AtaAda / Juumonji Atari x Adam Yuriev [NND #COMPASS]
KaiMei / KAITO x MEIKO [Vocaloid]
MiSawa / Miyuki Kazuya x Sawamura Eijun [Ace of Diamond]
TowaYuki / Kazuki Towa x Asahi Yuki [Anidol Colors]
Rupphire / Ruby x Sapphire [Steven Universe]
Sherliam / Sherlock Holmes x William James Moriarty [Moriarty the Patriot]
ChisaTaki / Nishikigi Chisato x Inoue Takina [Lycoris Recoil]