I Became the Childhood Friend of the Obsessive Sub Male Lead

I ended up moving into the duke’s household, where the sub-male lead lives, as an extra.

I wanted to repay them for feeding and housing me for free, so I taught him a few things that would help the sub-male lead win the original heroine’s heart later on.

If it went like this, he’d become a good man and eventually win the heroine’s love! (Proud)

* * *

“And the most important thing is this.”

After glancing around, Rieta whispered into Noel’s ear.

“You should only be courteous and gentle with the most special person to you.”

You should say that someone is pretty, and that you love them, only to that one person.

Rieta, did you understand? she asked, and Noel smiled confidently.

Ah, I’ve really taught him everything now.

From when he was nine until now, just before his coming-of-age ceremony…… teaching this foul-tempered childhood friend boy was really hard.

Still, Noel would no longer be called an unfortunate sub-male lead. Maybe he would even push out the male lead and stand proudly by the heroine’s side.

Rieta smiled softly as she imagined a future different from the original.

Then Noel brushed back her fallen hair and said,

“You’re pretty, Rieta Riz.”

“?”

“……You told me to say that to you, didn’t you?”

Wh-when did I?! Friends don’t talk like that!