Ten: The Nice Guy on the Path of Tenhō[a]) is a Japanese mahjong-themed manga series written and illustrated by Nobuyuki Fukumoto.

It was serialized in Takeshobo's Kindai Mahjong Gold from 1989 to 2002, with its chapters collected in eighteen tankōbon volumes.

A sequel series, set three years after the events of Ten, titled Hero: Akagi no Ishi o Tsugu Otoko, written and illustrated by Jirō Maeda with Fukumoto's collaboration, ran in Kindai Mahjong from October 2009 to July 2021.

Another sequel, set 20 years after the events of Ten, titled Yami-ma no Mamiya, written and illustrated by Fukumoto, began in Kindai Mahjong in July 2019.

"Hero: A man who succeeds dying wishes of Akagi"), written and illustrated by Jirō Maeda, was serialized for 142 chapters in Kindai Mahjong from October 1, 2009,[9] to July 1, 2021.

[12] A sequel created by Fukumoto, set twenty years after the events of Ten, titled Yami-ma no Mamiya, started in Kindai Mahjong in 2019.