Yami's smile brightened when she took his pinkie in hers and sealed the promise, though his smile fell when he noticed her figure changed and looked as if she may faint. "Serena?" he noticed the stop but was fo used on Serena that he helped her by having placed both hand on her shoulders to help keep her upright though used himself as support for her. "Serena, what happen?" he askex concern laced in his voice.