Friendship

Bromance at it's finest~
Also shounen-ai, but whether it involves the two main characters or they'll continue to be just best friends i dont know

Both on Seinen and friendship lists

Just a short story about two hot guys living together

If you like Prince of tennis, then you'll probably also like this one.
It's about an arrogant boy who, together with his friend, learns the true meaning behind Baseball and to become the best pair

A group of friends receive letters from their future self, telling them to save their friend who's going to commit suicide in a short time

A trans story about a man trapped in a womans body

Another two bro's just being bro's. Like 19 days