'Akuma' means "devil" or "demon," and 'Dolce' is not a Japanese word but rather an Italian one meaning "sweet."
'To' in this case functions as the conjunction "and," so one could literally translate it as: "Demon and Dolce/Demon and Sweet."
Demon
Akuma to dolce will be updataed next month.
"Sweetheart" in English is dolce in Italian.
Dolce magnificenza
Dolce Fiore
"Sweet toothpaste" in English is dentifricio dolce in Italian.
dolce principessa italiana
"Sweet man" in English means uomo dolce in Italian.
"Akuma to Dolce" can be read online on various manga reading websites such as MangaDex or MangaRock. You can also purchase the manga through online retailers like Amazon or Book Depository.
"Sweet little girl!" in English is Dolce bambina! in Italian.
"Gentle" is an English equivalent of the Italian musical term dolce. The pronunciation of the feminine/masculine singular adjective will be "DOL-tchey" in Italian.
"My sweet" is a literal English equivalent of the Italian phrase mia dolce. The pronunciation of the feminine singular possessive and pronoun will be "MEE-a DOl-tchey" in Italian.
Because the author put the manga on haitus, there are only 9 chapters.