Author's note: This was originally written for shiitaweek (prompt: confession) event held on tumblr last year so you're probably familiar with it if you followed me on tumblr. As my first fanfic I decided to put two fanfics from there and one new chapter as one whole piece.

Warning: Even though I haven't read Itachi shinden (Itachi's story) novels, this fanfic follows the events of novels. I wrote them after reading some excerpts from Itachi shinden (Itachi's story), which means it still contains SPOILERS.

Shisui carefully watched him, as his kunai hits the center of the target every time.

Such a flawless skill he is the witness of.
He can do the same thing.
But, this kid is younger than him and he is so talented, it's like déjà vu.
He had seen something like this before, when he was training with his former best friend.
Back then, he couldn't stand someone being as good as him. Back then, he watched with envy.

Now, he is watching with a hint of sadness and guilt in his facial expression.
His sin is what destroyed him and made him who he is.
The committed act that gave him the new power: Mangekyo Sharingan.
He is standing still, watching his new friend being as good as him. He feels his hand trembling, the same hand that refused to save his friend from falling to death.

The grief was eating him, he couldn't handle it anymore. Young genin wanted to recover from that so badly.
He swore on his life that he will never do it again.

Then, he overheard a conversation. Clan members were talking about a young prodigy that is Fugaku-sama's son: Uchiha Itachi.
Shisui wanted to witness that with his own two eyes. It was true.

His skills were splendid. Even the adults couldn't do things he could.
Just what made this kid so good?
He wanted to ask, wanted to approach him. But he couldn't, not yet.
The mistake from his past threatened him as if wanting to bite.
So he just watched him from the shadows, day by day.
Marveling at his determination and will to be even better than now, that kid definitely had a big goal. Shisui could feel it.

Watching Itachi, Shisui finally found strength to approach him.
And ask him to be his friend.

Now, they're training together, they're each other's best training companions.
Spending time with Itachi slowly healed Shisui's heart.
He felt something he had never felt before.
He wanted to protect his new little friend, to shield him from any harm, to encourage him and help him reach his goals.
Shisui's feelings are so pure now, without any trace of envy.
All he feels is love.

- Shisui, what are you thinking about? – Asked Itachi after noticing that Shisui has been staring in the distance for a while.
- I want to tell you something, Itachi. – Said Shisui without changing his expression.
Itachi was slightly confused. – What is it?
Shisui slowly approached him and gently pulled his small warm body into a hug. A five-year year old prodigy was even more confused by his friend's sudden action.
- You're my best friend, Itachi. – Said Shisui pulling Itachi closer to himself.

Best friend? Does that mean that he is the one he trusts the most?
This sudden confession made Itachi discover new feelings as well.