Let’s see…

If you’re going to download, go to

At the side, there should be a “manga search”
type in ‘hitman reborn doujinshi’, and there will be a list of doujinshis.
If you click on any of them, if they have been scanlated, there will be a “latest release” column, click “search for all releases of this series”
there should be info about which group scanlated it, PLUS a DL link. Just click on that to download it (or it’ll take you to that group’s site to download it)

Also, you can search at:

for yaoi doujins (translated or raws)

(　ﾟ∀ﾟ)彡 ::: Credits to Babyy Love for some of the info ::: (　ﾟ∀ﾟ)彡

KHR doujins:::

… < scanlations of three 8059 (Yamamoto x Gokudera) doujins.

You can read Reborn doujinshis at LiveJournal in the Reborn community, they post a lot there…
……

I know only these two websites:

^_^ Loved your avatar!! Its so cute >.

Here:

I’m actually reading some there right now.

Also try:

Hope I helped some.