The main story of Onigiri game often involves the player's character embarking on various adventures in a fantasy - like world. There are quests to complete, monsters to fight, and mysteries to uncover.
One idea could be a rengoku fanfic where he trains a new group of young slayers. It could focus on his unique teaching methods and how he instills his values in them.
Tanjiro would be a great character to pair with rengoku. Their different personalities could create an interesting interaction. Tanjiro's kind - hearted nature and rengoku's fiery determination could lead to some great storylines.
The main story elements of Onigiri game include character development. As you progress through the story, your character gains new abilities. Then there's the world - building aspect. The game has a richly detailed world with its own lore. And interaction with various in - game characters is also a big part. You get quests and information from them which moves the story forward.