There aren't many Ben 10 novels on here and this one is decent but more of a tv scenario plot with the mc going through little trouble due to his high IQ. This is also a harem novel were the mc is able to manage and maintain his cousin Gwen and a gender swapped Kevin with everyone supporting the relationship and with no issues between the females. Many plot points are reimagined scenarios of what would an intelligent mc do and how quickly can he developed his power. All in all it's a decent story and worth the read of you don't care much about the mc being OP or having a harem.
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the IQ just vanishes at times, like, he could have done a serum to boost his intelligence with brainstorm and galvan so easily and prefers to have weak powers
