Pt. 1 (Seulrene Version): Seulgi made a promise to Joohyun that they'd be best friends for life. Joohyun believes that it's a promise that will inevitably be broken. Pt. 2 (Wensungjoy Version): The Holy Trinity is heavenly, a perfectly balanced, everlasting group of three. But the earth has only two poles, and Joy knows that mortals cannot be gods.   These can be read as standalones, but they