The 100 Girlfriends Who Really, Really, Really, Really, Really Love You Manga Volume 15 features story by Rikito Nakamura and art by Yukiko Nozawa.

Rentaro's never had an easy time appeasing his twenty-two-and-counting girlfriends. One's eternally hungry, another adores violence, and another secretly wants to be treated like a baby. But when he locks eyes with a twenty-third lover who's so in love with numbers that there's little room left in her heart for anything else, what's the world's best boyfriend to do? Meanwhile, the family goes night swimming, ventures on a fluffy obstacle course, and pairs off for some girlfriend-on-girlfriend bonding!