It's easy to paint a mask or a skeleton, but hard to paint the heart.
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Frozen Card: Underground Mahjong Duel Record - Animated Version
Yukisuke Tanabe, Furuzan Blue, Shunsuke Takeuchi, Takanori Kusumi, Chikao Akasaki, Toshihiko Seki, Takeshi Koyasu, Yoko Hikasa