Mhh I'll make a list from most liked, without explanation but. Bear with me (note, I am a multishipper, idc about reverse at all, and I'm pretty open to new ships including rarepair and crackships so)
-Pianoman/Lippmann
-Albatross/Chuuya
-Doc/Albatross
-Dazai/Chuuya
-Rimbaud/Verlaine
-Ranpo/Poe(/Mushitarou)
-Lippmann/Murakami (only half-joking about this one)

-Fyodor/Nikolai
-Any iteration of Fyo/Niko/Dazai/Sigma
-Tecchou/Jouno
-Fukuzawa/Fukuchi