Ookami Wa Koi Ni Naku
Read in Vietnamese Twin brothers get married to two brothers, there’s a misunderstanding about who’s in love with who so the younger twin thinks of himself as a replacement bc his husband is actually in love with the older twin. Meanwhile the husband thinks his wife is in love w his older brother, so he treats their marriage more like a duty rather than love. https://konohanosekai.wordpress.com/manga-list/ookami-wa-koi-ni-naku/
Yasashiku Furetai
2 pairs of friends, all dating. Double date and such. Very cute
Ghost of After School
Two unique couples First seme pretends to be a ghost to get closer to his senpai crush in the science classroom Second seme is an unpopular boy who was peeping on the first couple having sex and got caught by a cute popular playboy who wanted to try gay sex. It’s an interesting take on the roles
Otameshi Delivery Lover
Two couples, acquaintances through a small restaurant/bar Call boy x straight man who just got dumped by his cheating girlfriend. They have a pure relationship and the straight man realized he’s falling in love Restaurant owner x Rich spoiled young master who went from a handsome freeloader to actually helping out to earn praises from the older man
Koakuma no Sanctuary
Ahhhh all grown men somehow connected to each other through work and in love! One of the great multi couples series where they all meet up for a drink and acknowledge each other’s pairing at the end!
Toubou Kinshi!
Not as good as her usual couples. Shallow relationships and seem one sided
Koakuma wa Ore no Iinari