The 100 Girlfriends Who Really, Really, Really, Really, Really Love You: Secret Love Story(2023)

Kimi no Koto ga Dai Dai Dai Dai Daisuki na 100-nin no Kanojo: Bangai Koi Monogatari - Secret Love Story

The hit manga The 100 Girlfriends Who Really, Really, Really, Really, Really Love You gets its first-ever spin-off novel! Rentaro loses his memory, Nano gets possessed by an alien, everybody gets isekai’d into Shizuka’s favorite book, the cast pilots a giant robot—what on earth is going on?! Includes brand-new illustrations from series artist Yukiko Nozawa!

(Source: Seven Seas Entertainment)