Oldman young girls hentai. Olman like 40+ old. any recommendation,

I'm also looking for an adult manga, the GUY is the manager ou "not" in a coffee boutique ou a restaurant maybe and his not OLD. He has a female COWORKER who likes him and then theirs this GIRL who i think he knew from the past who applied in the coffee boutique ou restaurant. Then after time past the GUY learned that the GIRL had a LIVE IN PARTNER before, i think her PARTNER was her TEACHER and an old man but not so old. This old man keep on pursuing the GIRL. When the female COWORKER knew about it, she fuck the old man in the park maybe. This old man has a very huge dick.

i forgot the tittle of this manga. I hope someone can help me remember it.!

THANKS!! ???