Ep. 16: Chiko visita uma colina secreta e conhece Kakashima Kouhei, um ex-professor dos Vinte Rostos.

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Chiko has found a "secret spot" which she now visits regularly (as stated by Shunka). While there one day, a man she's never seen before is sitting alone. He tells her about the memories the hill brings back to him. Chiko remembers a song Twenty Faces taught her. Later, the man introduces himself as Kakashima Kouhei, a teacher of Twenty Faces from long ago. He tells Chiko she is just another pawn in his, Twenty Face's, plans. This confuses Chiko, who ultimately decides she will believe in Twenty Faces. A teacher tells her the song is actually a French poem about the "law of men". While walking home after searching for more on the song Chiko is attacked by a mysterious boy who is incredibly fast and strong, only to be saved by Ken who tells her to stay safe. (Source: Wikipedia)