Docchi to Kiss suru?

Ángel, owner of Nuestra Casa and a stylish man who turns everyone around him on, loves and considers Aaron and Stefan family despite them being adopted. Now they help him with the restaurant, Stefan as the chef and Aaron as floor manager. But both want to be something more than just family with Ángel, so they take the initiative and start dating!

(Source: Gentosha Comics, translated)