It was time to get back to work and Sungmin had left the park walking back to the library slowly. His thoughts were scattered and he tried not to be nervous knowing he had a training session as soon as he returned with Yesung as his trainer, since he was more experienced. Sungmin heard laughter and looked up almost having a mini heart attack as he saw Yesung and two others walking toward him. From the pace he and they were walking, they would meet right in front of the library, unless Sungmin quickened his pace and made it there first. He tried to walk faster but near the entrance he tripped on his own feet and Yesung gasped as Sungmin ran into him. Yesung caught Sungmin and immediately asked he if he was hurt. He wrapped his arms around the younger for balance.   "N-n-no, I'm fine" Sungmin stuttered and blushed furiously. Yesung smiled releasing his arms from Sungmin's waist and waved to his friends. They nodded and walked away to the park where Sungmin had come.   "Are you sure you're ok?" The older asked Sungmin who was red faced and shaking.   "Yes I'm sorry, I just...I need to calm down, it was a little scary"Sungmin said truthfully but he knew Yesung wasn't thinking of how he caught Sungmin.   "Well let's go inside or the boss will be angry" Yesung joked and Sungmin relaxed a little seeing Yesung smile at him. He felt happy because this is the longest he's been with Yesung, he didn't want it to end. Yesung took Sungmin's forearm close to his wrist and pulled him inside the library before they were late.   "I'll be right back" Yesung said smiling as he walked away from the younger and to his office. As Sungmin waited outside the employee training room, he wondered if anyone could hear his racing heartbeat. He never thought Yesung was looking forward to trai