With every choice, countless versions of her exist—Parallel Worlds (Multiverse) x Meari Tachibana, Chapter 4. Mary, who never gave up on her dream of becoming a novelist, is also a beloved health teacher who writes novels while working. One day, she helps a bullied student, and thanks to her advice, the student grows. As Mary is single and her libido is overflowing, she eventually crosses the line with the student. The gentle teacher and the student who leans on her are drawn to each other and engage in repeated sex, but they are caught by the head of the year...