Ooof, probably Hajime Saito or Okita Souji from Hakuoki, one of these two, pretty sure.
After that I became totally corrupted by TsudaKen with Kazama, so well.
As @Harmonea said, I'd fold paper cranes just for him to be on more otomes, lol
When I was much younger and starting with otome games, I used to only play the LI's that I liked. Later I understood that depending the game, one missed a lot of lore by doing that. So, fast forward, I try most of the times to complete everything in order.
Last game I couldn't bring myself to...