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

Summary

Mana Miyazawa recalls a conversation she overheard at her private tutor's about Mine Shiori taking leave due to a family death, which leads her to reflect on her strained relationship with her sister, Maki. Despite her intentions to reach out to Maki, she feels she has failed as an older sister, leading to her breakup with Sawayama Haruno. As they discuss their past, Mana expresses her regrets and emotional turmoil over her inability to communicate effectively with both Maki and Haruno. Haruno empathizes with her pain but feels helpless about the situation. After a moment of silence, Mana receives a call from a teacher, breaking the tension. They agree to focus on the present rather than dwell on the past. Haruno promises to help Mana with Maki's situation. Later, Haruno contemplates how to approach Maki and check on Mine Shiori, who has been unwell. Meanwhile, Maki wakes up late for her new job, feeling an unease that slows her down as she prepares to leave.

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