My Sweet Body Was Eaten Up by My Indifferent Childhood Friend - My Boyfriend Who's a Foot Taller Than Me

"Did you think I got that room without thinking?" There was a look on his face I'd never seen before. His lustful piercing gaze, his sweet voice, his big hot thing against my wet skin... I didn't think we liked each other, though... Kae, with body issues, lives a lifestyle with little prospect of marriage. She met Shu, a quiet boy three years younger than her, in elementary. He had become a friend that would come to her house to eat dinner even today. One day, Shu saw her naked by accident... and he reacted unexpectedly to her sweet body...!! Being loved for the first time, Kae noticed his large hands and manly body. He used his fingers and tongue to satisfy her... and told her to see him as a man too. This is the story of the hot and steamy passionate sex life of two childhood friends with totally different physiques!!

(Source: MangaPlaza)