Weekend Citron 

Souichi Kinoshita, a magazine journalist, came to a Western confectionary shop run by twin brothers to write an article. Although the interview with the pâtissier Reizei Jin had just begun, for some reason, Jin struggled to answer and the interview quickly dwindled to an awkward silence. That's when the other brother in the pair of twins, Ai, tells him about Jin's past…? (Source: Fusion Product, translated) Note: Includes two extra chapters.