Zettai ni NTR Nai Kasshoku Osananajimi!

Yuu-kun and Natsu-chan live in the countryside. They are childhood friends and have always played together. Now that they have reached puberty, they seem to be romantically interested in each other, but... She is a tan-skinned childhood friend, but there is absolutely no NTR. All their friends are rooting for them. A heartwarming romantic comedy that will definitely make you happy! (Source: Author's Pixiv, translated)