sentences:  Though most of the characters' reviews for volumes one through seven are primarily based on their ensuing comedic situations, the tone changes drastically as the series shifts into a more serious mood starting with volume eight.In ComicsVillage.com's Charles Tan's review of volume eight, he notes that the character designs have a "simple, iconic feel to them," and that they can easily shift from being super-deformed to having serious expressions.Both in IGN's and mangalife.com's review of volume nine, the reviewers both expressed gratification to the main character's [Tsuna] reform, with David Rasmussen of mangalife.com now seeing Tsuna as a "cooler" character compared to how he was before.