{Underverse Undead x Reaper and the Ink Demon Crew} ~ (Crossover Story)
• One Day Coco-chan came back home after seeing her friends and she has something special to ask Sero. While reading his favorite book, Sero is asked by Coca a special request that totally catches him off guard. When Coco was out with her friends they asked about having children to start family, although she ever has thought about it but she seems very excited to start one. Sero is unsure as they just got married recently so a family seems to fast for him.
