Tokyo: I took in my ex's twin sister (1-151).

Summary

Mine Shiori declines an invitation from Sawayama Haruno and reflects on her feelings as she walks home, feeling regret over not confessing her past crush on him. She recalls their brief encounter at a tutoring school where she developed feelings for him, unaware that he was dating her classmate, Mana Miyazawa. After arriving home, she struggles with her emotions and resorts to self-soothing actions. Meanwhile, Haruno attends class and learns from Mana that Mine Shiori is a mutual acquaintance from their tutoring school. He contemplates the implications of this connection and the reasons behind his breakup with Mana, feeling frustrated by the lack of clarity. His thoughts are interrupted by a call from Takashima Kazuki, warning him that his cousin is in danger, prompting him to return quickly.

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