He begins nudging her towards the door, now that his siblings are out of her sight. His movements are awkward, especially since Nageki isn't used to being held, but he doesn't want to stop Mikan. It's nice and he feels that Mikan needs the comfort, too.

Things should be better when this memory is out of sight.

"I'm sorry, too.... I don't want... to make you sad, Miss Tsumiki."