I broke up with my girlfriend after she told me "I don't like you at all" when she had amnesia, but since she was a yandere, I have no regrets and I've become incredibly popular. Even though her memories have returned and she's asking to get back together, it's too late now.

After experiencing a light novel-like romance, Sagato and Marика became lovers, but they were involved in a traffic accident, causing Marika to lose the precious memories she had built with Sagato. Marika unilaterally breaks up with Sagato, but since Marika was a yandere, Sagato was actually relieved to be dumped. Then, Sagato somehow became popular, but fearing that his girlfriend would become a yandere like Marika if they dated, he refrained from getting into a relationship. Then one day. Marika's memory returns, and she tries to get back together with Sagato, but...