dunno if u read it yet but definitely solo for two...they are crazy
Look here maybe https://www.mangago.zone/home/mangalist/2799862/
Red mansion
fair warning on heavy smut and sexual assault tho
God I just read the perfect one
My perverted stalker
Def checkmate if your into it (it was lowkey a tough read)
BL where the uke is the fked up one or both couples (match made in hell basically) yandere/obsessive etc