Ken is a super fan of the the idol group Planet, or to be precise, a hardcore idol otaku. One day, while pre-ordering the latest idol goods, he noticed that salesperson is a really flashy guy. But that guy turns out to be a student at the school where Ken works! "Please keep quiet about my hobbies," begs the desperate Ken, and his devilish student agrees, but on the condition, "From today on, be my dog."
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