How exactly did she come to think he's some cafe expert and super cafe manager? Because he drank his coffee elegantly and was very polite with the waitresses? He basically told her to think about it by herself when she asked for advice.
FOR GOD'S SAKE, I TRIED TO STAY CALM WITH THIS MANGA BUT RINO AND OLDER BROTHERS PROBLEM ANNOYS THE HECK OUT OF ME LIKE DUDE JUST TELL HER YOU'RE NOT AN CAFE MANAGER AND JUST LIKE DRINKING COFFEE AND TEA AND DON'T REALLY HAVE ANY ADVICE OR IDEAS FOR HER, JUST CAUSE SHE WAS A FAILURE OF A PROPER SERVER IN A MAID CAFE DOESNT GIVE HER THE PRIVILEGE TO GET LIED TO SHE NEEDS TO KNOW THE ROUNDABOUT TRUTH SHE CAN'T LIVE AND AND FANTASY WORLD LIKE MUKOU AOI. IT'S NOT LIKE YOU HAVE TO TELL HER EVERYTHING, JUST SAY YOU'RE NOT A CAFE MANAGER AS I SAID BEFORE. SORRY FOR THE CAPS I'M HAVING PROBLEMS