Glass No Kokoro (Wonder Remix) (2023 Lacquer Master Sound)

Conflict: Saidai no kôsô (2016) - Kokoro Nakayama as Kawashima Sumire - IMDb

Five Successful Candidates Chosen for Raw Cavalier Audition! Win the right to appear in Ryu ga Gotoku 7 Gaiden: The Man Who Erased His Name! - Saiga NAK

Mariko Nakayama, Kokoro Connect Wiki

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Kokoro no Yoake L'Aube de mon cœur, Jpop Wiki

Nakayama Shinpei Masterpiece Collection ~ Omoide no Uta Kokoro no Uta ~, Music software

André Bertel's Karate-Do: 精神と技法 : PART TWO

Kokoro magazine

Kokoro Nakajima