Responses

I mean, yes, you are going to be disappointed about the couple thing. Hijikata becomes pretty irrelevant by the end, with nothing but his overused mayonnaise-lover gag in stock. Just as a side note, though, I suggest you don't refrain from watching Gintama just for that reason.The comedy wasn't always my cup of tea and I'm not a fan of shonen, but the characters are all very likeable and the openings and endings are great, you can see why it's so praised in the anime community.
I only watched Gintama because of Harada. She got me hooked on the Gintoki x Hijikata otp, so I was really curious of their actual bromance in the series. Needless to say, I was very disappointed because that's only a bit in the beginning.
The series is very long, and I thought Hijikata and Gintoki would have a closer relationship, but they spend even less time together the more the series progresses. If anything, he could be paired more naturally with Okita, with whom he has a steadier love-hate relationship.
But Harada did such a good job at making me love this couple (without even knowing who they where) with all those doujinshis about them, that I wish she drew them again as original characters of her own so I don't have to compare them to the actual Gintama characters, damn it, lol