Percy Jackson's twin

Helene

You bite your lip, it would be so great to see mom again actually be in a place where someone wants you but you know he's right. She'll want you to go back to Yancy. So you tell him

 "Ok fine. I'll go to the museum." 

"What are you guys talking about?" Grover asks while chewing on an apple he must have found in his bag. 

You laugh at him. "Really Grover?" 

"What?" He mumbles between bites. 

"The way you're eating, you look like someone who's been starved for months." 

He turns away from you indignantly still chomping down on his apple. 

Percy laughs and shakes his head. 

You chat about other stuff the rest of the way to museum. 

After a while the bus finally pulls into the parking lot and everyone files off. Your still talking as you hear off  the bus trailing near the back of the pack in an attempt to avoid Nancy and her little "group" but Mrs. Dodds quickly spots you. 

She walks up to you with a vicious smile. 

"Now, honey's I can't have you straying from the group. Especially after... you're little incident earlier." She says scowling down at you. "You two will be staying up front with me where I can keep an eye on you." 

You slump down farther but follow her, Percy right behind you.  

The trip goes as you expected it to Mrs. Dodds never lets you leave her side and seems to take pleasure in punishing you for each and every thing you do. Nancy never far behind laughing about you with her friends making sure to be in ear shot of you. But Mrs. Dodds never seems to notice this. 

But it's not too horrible you guess. Mr. Burnner trys to keep Nancy off your back even though theres not much he can do because he's busy leading the tour and Grovers walks up front with you too. The museum itself is kind of interesting the huge, echoey galleries are filled with cool artifacts and strange statues.