81diver

It was serialized in Shueisha's seinen manga magazine Weekly Young Jump from September 2006 to July 2014, with its chapters collected in 35 tankōbon volumes.

The story follows Kentarō Sugata, a shogi player who, after failing to go pro, is inspired to take the game seriously again following a defeat by Soyo Nakashizu, a champion with a surprising side job.

Kentarō Sugata failed at entering the professional league of shogi board game competition.

He also finds out by chance that Soyo offers a part-time maid cosplay house cleaning service, another side of her which further intrigues him.

Written and illustrated by Yokusaru Shibata [ja], 81diver was serialized in Shueisha's seinen manga magazine Weekly Young Jump from September 7, 2006,[2] to July 17, 2014.