Eight Years Later

Many more years have passed and now Yoona and Irene were still classmates and best friends, but now they are in their second year of highschool. Even though they were still best friends all this time, Yoona's feelings for Irene grew more and more every time they hung out. Every day, she had to refrain herself from pinning Irene to the wall and kiss her as passionately as she could. 

Now Yoona was doing her homework in the classroom until Irene skipped happily towards her. "Hi Yoong," Irene said as Yoona closed her eyes and relished Irene's soft voice, it was like music to her ears. Then Yoona looked up at Irene with a cute grin on her face. "Yeah?" she asked as she watched Irene pull a chair towards her. "I'm bored, I don't know what to do," Irene said as she sat on the chair she placed next to Yoona, making her chuckle.

"Really? Well, I'm also bored. I just finished my homework, because I forgot to do it at home," Yoona replied in a sad tone and pouted, making Irene giggle. "Well that's no fun, but can you teach me these problems? I don't know how to solve them," Irene said as she pointed at Yoona's papers with several numbers scribbled all over them. Yoona nodded eagerly with a smile with Irene's request.

"Sure!" she chirped as she opened her textbook and flipped the pages to a certain chapter and began