Although what's written before felt a bit uneasy, giving a sense of Beichuan Si's impending departure...
But in reality, it's just that Beichuan Si is somewhat uncertain about the true situation of the Mouchi family, and he's slightly worried about what means they might have there.
After all, blind confidence is simply arrogance.
Although Beichuan Si knows that his current abilities are quite good, he still thinks it's more prudent to act cautiously when dealing with a family like the Mouchi family with a long heritage.
Though he doesn't want to admit it, Beichuan Si's title 'Beichuan Master' is now quite famous in the Tokyo circle, and so some of his methods have definitely been understood by the Mouchi family... Given this situation where the enemy is in the dark, and he's in the light, he certainly needs to be cautious.
