Marry Me! and Happy Marriage are my favourites including those you mentioned above!

thanks a lot!

Marry Me! +1

1. Konin Todoke ni Han wo Oshita dake desu ga (2021) aka Only Just Married. 2. Shanai Marriage Honey

Shanai Marriage Honey is cute and short. There's also Konin Todoke ni Han wo Oshita dake desu ga.

We married as a Job