I Finally Got My First Girlfriend So I Decided To Practice Sex And Creampies With My C***dhood Friend Nao Jinguji

Harumi Sagawa is the protagonist's new girlfriend, boasting top-class popularity within her school. She gets involved with her boyfriend, who decides to practice sex and receive guidance from his childhood friend Nao Jinguji. As they explore their desires, Nao takes the lead in teaching him about intimacy, including kissing, foreplay, and eventually creampies, helping him become more comfortable and confident in his abilities.