GOUL-010 Reunited with my first love, my aunt, we lose ourselves and passionately long for each other in a forbidden affair — Mizuki Yayoi

Yuichi is preparing for his college entrance exams. He was fond of his aunt, Mizuki, since he was little, but they had grown apart after she got married. This time, with his exams overlapping with her husband’s business trip, he ends up staying under the same roof with his first love for three days and two nights while taking his exam in Tokyo. After a long time, he reunites with the woman he first fell for, but seeing her looking sad, as if things are not going well with her husband, he can no longer hold back his feelings…