Diana just returned from Malaysia after school break for a month. Suddenly, after she arrived at Big Hit dorm, Jungkook have a misunderstood with Diana till he broke his relationship with Diana as siblings. That problem makes Diana got a nightmare. What's that nightmare? What about the relationship?

Forgive Me, Oppa!

Nightmare

Last episode 

最終回

許してよ、オッパ！

ジョングクはダイアナの机にメモを残した

-私の部屋に来て何が起こったのか説明してください-

ダイアナは目を覚ますとテーブルに駆け寄った

実は、亡くなったのは私の兄です