Katekyou Hitman Reborn! (Hana Kurokawa & Ryohei Sasagawa)

Kurokawa Hana & Sasagawa Ryohei

Fanfictions:

• Accounting for Tastes
  
  It gets harder and harder to get out of her love for older guys if she drop by the Sasagawa house this often. Especially when Kyoko wasn't the only one at home.

• Barnburner
  It was the only time he felt what being K.O.-ed felt like. Happiness.

• This star I keep in my heart
  
  Hana thought that the question was as stupid as the person asking. But she should have answered  much much sooner.

• Magnifying Glass, I need you not
  She needed more help seeing the big picture.

• Things Left Unspoken
  It was fine if she doesn't know. It is fine. It will always be fine.

More on the couple:

• There are 3 variations of spelling for Sasagawa's name: Ryohei, Ryouhei, and Ryōhei.

Hana and Ryohei are this far the only unmarried canon couple in the KHR series. This pairing was introduced rather subtly in the future arc in both the Reborn! manga and anime through photographs in both individual's room. They didn't really pose much interaction (I failed to recall any, actually, except for the one time Hana came with Kyoko to Ryohei's Varia arc match) during the rest of their air time.

Still, I don't know whether it was them being linked mostly only by Kyoko or their personalities, but the thought of them being together always made me smile (>u<)