The story of Om Banna in Hindi usually involves elements of mystery and local folklore. It's often centered around his unique and somewhat legendary experiences.
One possible reason could be Naruto's natural sense of justice. He can't stand to see a child in danger, and Koyuki being a child at that time, Naruto's heroic nature kicks in. He has always been the type to help those in need.
There could be a fanfic where Naruto has to save a cheerleader in his world, just like the concept from 'Heroes'. Maybe the cheerleader has some special power or is a key to preventing a great disaster in the Hidden Leaf Village. Naruto, with his never - give - up attitude, would surely rise to the occasion.
Well, in most cases, Naruto might use his signature jutsu like the Rasengan. He could either deflect the fire ball with it or use his incredible speed to get to Ami before the fire ball hits her. Maybe he also uses his shadow clones to create a distraction for the attacker while he rescues Ami.
Well, in many fanfictions, Naruto might use his signature jutsus like the Rasengan. He could sense the danger the woman is in using his enhanced ninja senses and then quickly dash in to counter Rizevim's attack with his powerful moves, overpowering Rizevim and rescuing the woman.
Well, Naruto is known for his quick thinking. So perhaps he quickly assesses the situation and uses the surrounding environment to his advantage. For example, if there's a water source nearby, he could use his water jutsu skills (if he has them in that fanfiction) to counter the fireball and save Ami. Or he might even use his body as a shield if it comes down to it, relying on his Uzumaki durability.
One way is to make the cheerleader a vessel for some powerful and positive energy. If she is killed, this energy will be released in a negative way, causing destruction. Naruto, with his strong sense of justice, would sense this and do everything to protect her.
Sakura would be a likely candidate. As a skilled medical ninja, she has the knowledge and ability to diagnose the poison and attempt to create an antidote.