It's Monday. Ji Sun, Ji Yeon, and Ji Hyeon got ready for school. "Ji Sun, Ji Yeon, Ji Hyeon, breakfast time," Mrs. Choi called. "Coming down, Eomma," Ji Sun replied. The three girls came down in their school uniforms, together with their homestays, Hwang Baek Hyun, Na Hyun Jung, Gil Pul Ip, Hong Chan Doo, Oh Bong Goo, Yoo Su Han, Han Eun Hye, Han Eun Hee, Han Eun Hae who were also students of Byeong-Mun High School. Ji Yeon and Ji Hyeon are students of Byeong-Mun Elementary School, which was also in the vicinity of Byeong-Mun University. "Annyeonghasaeyo, ahjumoni," Chan Doo said. "Oh, annyeong, Chan Doo. Did you sleep well?" Mrs. Choi asked. "Yes, ahjumoni," Chan Doo answered. "What's for breakfast?" Ji Sun asked. "Kimchi, gim, and bibimbap," Mrs. Choi said. "Hey, Ji Hyeon, you still look sleepy. Come here, let's eat breakfast together, OK?" Baek Hyun called Ji Hyeon to come to the table. "Hey, Jun Young hyung is already outside waiting for us," Bong Goo said. "Eomma, we have to go now," Ji Sun said. "OK. Have a nice day at school!" Mrs. Choi said. "OK. We will." Ji Yeon said. So all eight of them went to the bus stop to meet Jun Young. "Annyeonghasaeyo, hyung," Chan Doo said. "Oh, annyeong, Chan Doo. What's up?" Jun Young asked. "Oh, we'll have our educational field trip tomorrow," Chan Doo said. "Oh, I see. Here's our service. Annyeonghasaeyo, Mr. Im!" Jun Young greeted their service driver, Im Ryu Hyun and his children, Im Seul Rin and Im Bae Joong, both college students of Byeong-Mun University. In school, Ji Sun enters her classroom together with Chan Doo, who was her classmate. They are greeted by Yoo Su Han, Chan Doo's best friend and Han Eun Hye, Ji Sun's best friend. "Annyeong Chan Doo and Ji Sun," Su Han and Eun Hye said. "Annyeong. What's new?" Ji Sun asked. "We have four new classmates! They are all girls!" Eun Hye squealed. "Really? I'm so excited to see them!" Ji Sun said. "What are their names?" Ji Sun asked again. "Kang Si Yoon, Choi Jin Hee, Park Sun Ja, and Lee Mi Sook," Eun Hye said. "Shhh. I hear Sir's footsteps," Chan Doo said. Their teacher, Kang Seok Ho, is Si Yoon's father. He is a lawyer of Korea's government. "Good Morning Sir Kang," Class 1 chorused. "Good Morning everyone. Please be seated," Mr. Kang said. "Class, we have new students enrolled here. New students, please stand and come forward as I call you," Mr. Kang announced to everyone. "Kang Si Yoon, please come forward," Mr. Kang said. "Hello, everyone. I'm Kang Si Yoon. Nice to meet you," Si Yoon said with a smile. "Choi Jin Hee, please come forward," called Mr. Kang. "Hi, I'm Choi Jin Hee. I hope we'll be all friends and be happy this year," Jin Hee smiled. "Hey, Ji Sun, is she related to you?" Chan Doo asked. "Yes, she's my cousin who's the same age as me and born on the same year," Ji Sun smiled. "Chan Doo, shhh. Be quiet and listen, OK?" Ji Sun said. "OK," Chan Doo replied. "Park Sun Ja, please come forward," Mr. Kang called again. "Hello, my name is Park Sun Ja. I hope you'll help me learn this year," Sun Ja bowed and smiled. "Last but not the least, Lee Mi Sook, please come forward," Mr. Kang called. "Hi, my name is Lee Mi Sook. Nice to meet you all," Mi Sook smiled and bowed. "Thank you ladies, you may not go back to your seats. Class, I hope you'll all make them feel welcome since they are new students. Make friends with them, OK?" Mr. Kang told the class. "Yes, Sir Kang," answered Class 1. "That's all for now. You may go home now," Mr. Kang said. "Hey, Su Han, Eun Hye, Chan Doo, let's go," Ji Sun said. On their way to their service, the four met up with Baek Hyun, Hyun Jung, Pul Ip, and Bong Goo. "Hey! What's up? We heard you guys have new students. All girls, I suppose?" Baek Hyun asked. "Yup. All girls," Chan Doo replied. "I'm so hungry. Let's eat now," Ji Sun said. "We're going home now," Su Han told Ji Sun. In the service, Ji Sun's phone rang. "Yeobosaeyo? Oh, hi Il Woo oppa. Really?! When is she coming? OK. I'll take note of that. Thanks. Bye." "Who was that?" Baek Hyun asked. "Oppa, it's Jeong Il Woo oppa. He said that Yoon Eun Hye unnie will be coming. He invites us to go to their house on Friday. Do you guys want to go? I asked Eomma and she said yes, since it's just near us. And Hyun Joong oppa will be there too," Ji Sun said. "OK. Let's ask Bae Joong hyung and Seul Rin noona to go shopping with us today to buy gifts. I'll call ahjumoni," Baek Hyun said. "OK! Let's go!" Ji Sun said. After the shopping trip, all of them stayed awake in the service, except Ji Sun. She fell asleep on the van's window sill. Chan Doo took her head and laid it on his shoulders. Su Han and Chan Doo are cousins with Ji Sun. Chan Doo's mother is the sister of Mrs. Choi and Su Han's mother is also Mrs. Choi's sister. "We're home, ahjumoni," Chan Doo said. "Welcome back home. Oh, my Ji Sun is already asleep. Chan Doo, Su Han, bring her to her room. Ji Yeon, Ji Hyeon, go to sleep now," Mrs. Choi said. "Annyeonghasaeyo, Mrs. Choi," Jun Young said. "Hello, Jun Young. Thank you for taking care of my Ji Sun," Mrs. Choi said. "Oh, you're welcome, Mrs. Choi. I'm leaving now. Goodbye," Jun Young said. Right at that moment, Jun Young felt good when Mrs. Choi thank him for taking care of Ji Sun. He will talk to Il Woo tomorrow to tell him to act as Ji Sun's bodyguard. 'I wonder if Il Woo hyung will agree to it. Ah, never mind.' Jun Young chuckles to himself on the way home. Seems like our character is very happy. No one could take his happiness, Choi Ji Sun away from him. Will he tell Ji Sun about his hidden secret or will he continue to hide it from her? Find out in chapter 4!