Obey Me!: One Master to Rule Them All

"Obey Me! One Master to Rule Them All" is a romance simulation and RPG card mobile game produced by NTT Solmare Corp. It is one of many dating simulation games from a dating sim brand called Shall We Date? Users can experience a story filled with a variety of characters. There is a phone and messaging system as well as entertaining card battles involved. Get through a series of tasks and choose how you wish to enjoy your life in the Devildom!

Become the master who brings the handsome demon brothers down to their knees and enjoy life at the Academy in the Devildom! You have been selected to become an exchange student at RAD, a school for demons. Awaiting you are 7 demon brothers and a mountain of tasks...?! There is only 1 rule you have to remember to survive... One Master to RULE them all!