Practice Makes Perfect
Read the storySasuke and naruto has been friends since forever, Sasuke and naruto are both expected by everyone to present as an alpha. During his inexperience naruto much to his obliviosness asked his dear friend sasuke if they can practice kissing since sasuke has had a boyfriend before and had atleast experienced kissing and making out(not more than that), to get an idea of what happens and how it feels and cuz he doesnt want to get embarassed when naruto does do it with someone eventually in the future. Sasuke rejected the plea the first, secod, third and more times untill he eventually cave after naruto has basically started asking him abt it every day. Sasuke told naruto they can do the ‘practice’ at naruto’s place