When "Not Yet" Means "I Love You"

Overview

Hayato, an alpha, has been grappling with a problem for years. That is, his older childhood friend and fated omega partner, Riichi, won't do anything more than kiss him due to the rule: "No excessive touching!" Nine years ago, when Hayato was still a kid, he bit Riichi on the nape of the neck while they were roughhousing, accidentally making them a fated pair. As a result, Riichi made him promise not to cross a certain line with him until he turned 20. With one year left, Hayato is determined to get Riichi, who keeps treating him like a younger brother, to love him back. Unfortunately, all of his attempts have ended in failure... Or so he thinks! One day, when Hayato caresses Riichi gently with his hands, Riichi's reason begins to crumble... (Source: Renta!) Note: Includes one extra chapter.

Source: AniList