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

Summary

Sawayama Haruno seeks help from Mine Shiori to proofread his novel, which he needs to finish quickly. Despite her initial hesitation due to her busy schedule, Shiori agrees to assist him. As they discuss the manuscript, Shiori becomes engrossed in reading it during their meal, neglecting her food. Haruno's sister, Ayano Yui, feels frustrated but can’t confront Shiori about it. After finishing the book, Shiori praises Haruno's writing but struggles with her feelings, especially regarding a bold scene. Haruno plans to send the document to Shiori later, while he prepares for a visit to the Miyazawa household, hoping to leave a good impression.

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