my ex rival

Well, 'ex' is probably your former partner. They might be watching your stories out of curiosity. Maybe they still care about what's going on in your life, or they could be just nosy.

Maybe they still have some interest in your life or just happened to come across your stories by chance.

Maybe they still have some interest in your life or are just being curious.

Maybe they still have some interest in your life or just happened to come across it by chance.

It could be that they haven't fully moved on and are keeping tabs on you. Or perhaps it's just a random act and doesn't mean much.

Ex might be your former partner. Maybe they still have an interest in your life, so they are always quick to check your stories.

It could be another ninja from a rival clan. For example, someone from the Hyuga clan who has a long - standing grudge against Sauske's clan.

Maybe he still has some interest in your life or is just curious out of habit.

Maybe they still have some interest in your life or are just curious.

Maybe they still have some lingering interest or curiosity about your life.