The two sides are merging a lot in act 2 main routes it's so much fun. Sasuke (again pitching for Ieyasu's autograph): Lord Ieyasu, please write your name on this paper.
Poor Kenshin, this route is really messing with his feelings .
He cares so much and doesn't know how to express it, so we see the denial, the surprise sword attack (not that surprising tho), the "I'll kill you" he constantly says, and so on