Best Friend's Instruction Manual

You are reading Best Friend's Instruction Manual manga, one of the most popular manga covering in Adult, Comedy, Mature, Smut, Webtoons genres, written by Joy at KaliScan, a top manga site to offering for read manga online free. Best Friend's Instruction Manual has 1 translated chapters and translations of other chapters are in progress. Lets enjoy.
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The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised. "Is this how you're supposed to do it?" "Don't just try to use force, shake it gently and well." "Wow, it really got bigger when I shook it!" "Do I have to keep rubbing it like this for the liquid to come out?" "Oh! It came out!!" "Hey! Aim properly! It's getting everywhere!" "Oh, sorry..." Kim Nam-joo, and I, Park Yeo-joo. We are business partners who run an advertising company together, and we are also old best friends. And to save our failing company, we will personally use adult products and write reviews.