Mahjong as a subject itself is not a problem since a niche exists for it too, but... I wonder if something with the air of a chivalry gekiga is not somewhat antiquated? Gekiga are like graphic novels. This kind of gekiga usually focuses on yakuza stories.

If a simple story hook that the moe ota... -excuse me, the animalized young men- of today can also understand does not exist, it would be difficult to spread it to a wide audience...