Nana's Love, NANA's Dream (奈々の恋、ナナの夢 Nana no koi, NANA no yume) is the fourth episode of Nana to air.
Black Stones, the punk band also recognized as Blast for short, unaware yet that they have their last performance with Ren as their member. Nana O. is the singer, Nobuo Terashima is the guitarist, Ren Honjo is the bassist, and Yasushi Takagi is the drummer. After concert they all go for drinks together. On their way back, Yasu asks Ren to tell Nana something, he he will tell Nobu himself.
Later that night, Nana and Ren has a conversation in the bathtub, in the place where they both live together. She recalls her past before she met Ren. He seems try to understand if she needs him or not. Eventually, Ren gives up and tells her, that he is leaving for Tokyo to join Trapnest, the band which is about to successfully debut in Tokyo, as their new guitarist, because their former guitarist left them in the last moment and it's rare chance to become pro for Ren.