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The series is serialized on platforms like ( Magapoke ). It has gained significant popularity, surpassing 1 million copies in circulation as of late 2025.

: The manga is known for its "immoral youth" theme, focusing on infidelity and the psychological mystery of why Tomoko is so obsessed with her best friend's boyfriend. Where to Read The series is serialized on platforms like ( Magapoke )

The series follows , a high school student who has just started dating his first girlfriend, Kaori Koga . The "interesting" and immoral twist begins when Kaori's best friend, Tomoko Yoshioka , starts aggressively seducing Takeru. Tomoko is depicted as having a more provocative personality and physique compared to Kaori, and she repeatedly tempts Takeru into a secret, cheating relationship. Chapter 31 Highlights Where to Read The series follows , a

: While specific plot beats can vary by platform, discussions around this chapter often focus on the "back-and-forth" between the two girls and Takeru's inability to keep his urges in check. Chapter 31 Highlights : While specific plot beats

The text you shared refers to of the manga " Kanojo no Tomodachi " (also known as My Girlfriend's Friend ), written and illustrated by Jura . Story Overview

In Chapter 31, the story often explores the tension and guilt Takeru feels as he struggles between his loyalty to Kaori and his physical attraction to Tomoko.