After Morning Love
I loved this manga super much, It has the feels you are seeking reading yaoi. I wish it had more sex scene's because it would have made the story a bit more attractive but overall it was AMAZING! YOU GOTTA READ THIS*-*
Papa I Love You
Amazing manga. sad, funny, sweet but the most that catched me was the happy end :D it was so cute without having much smutty scene's (i love them tho)
Lovers Doll
Baby I Love You
A love story between a salary man and his friend his youngest son (brother his children that has been taken in at a young age because they were abandoned so they call him papa)
Ikumen Datte Koishimasu.
Love between a daycare worker and a father of one of his children. One day he apologizes to the father for having bad imaginations (not smut related) about him and get into a relationship. After many complicated stuff they end up happy together.
Hidoi Otoko (AOI Akira)