When My Younger Brother Stole My Girlfriend, I Began Living Together with My Beautiful Childhood Friend Almost as If We Were Married

From being cuckolded to a major turnaround! A sweet and affectionate cohabitation life with a devoted and beautiful childhood friend! Hayato Matsui, the protagonist, had his girlfriend, whom he had been dating since high school, stolen by his younger brother. On top of that, he is almost completely estranged from his family, who constantly side with his brother. However, in a state of despair, Hayato unexpectedly reunites with his childhood friend whom he had a crush on, Reina Iwasaki, at an izakaya where he went for binge drinking! As he is taken to Reina’s house, it turns out that they both had feelings for each other in the past, leading them to start dating and living together! An intensely sweet and affectionate romantic comedy with high sugar content. Do you like devoted childhood friends?