Konyakusha to Sannin no Motokare

"Are you saying that my soulmate is one of them? My fiance or one of my three ex-boyfriends?!"

Saya, who has had as much experience in love as anyone else, only meets people through her work for some reason. At a work-related party, she meets Yusei Hyuga, the novelist of her dreams, and their relationship starts without a hitch. But this encounter was only the prelude to a dramatic, exciting, and chaotic novel?! Harem meets doting love with a splash of mystery?! Follow along in this unique and heart-warming love comedy!

(from mangaupdates)