1 ฤดูกาล
12 ตอน
ハルチカ ～ハルタとチカは青春する～ - Season 1 Episode 11
According to the will of Mr. Kusakabe's former teacher, his granddaughter, Makoto, is the only one who knows the whereabouts of the key to his beloved piano. Can they figure out the secret of the key's location?
- ประเทศ : Japan
- ประเภท : Animation, Mystery
- ผู้อำนวยการ :
- นักแสดง : Soma Saito, Natsuki Hanae, Sarah Emi Bridcutt, Haruka Chisuga, Nobunaga Shimazaki, Seiichiro Yamashita
