Paradox Live Hidden Track "MEMORY"

There are 4 stories where all 14 rappers' desire to accomplish are rooted from. - Never-seen-before story of how Anne met Allen and Hajun, until how they've form BAE! - The beautiful yet fleeting story of the days Saimon, Kanbayashi and Tsubaki spent together, told for the first time. - The meeting of Nayuta and Shiki, and the present prepared for Kanata who believes in Santa! - After Reo joined the Suiseki Group, Iori told him to plan with Satsuki and Hokusai about going shopping for the summer festival. What's the intention behind this...?