Neptunia Hearts Volume 0: School Idol!

Summary: This is a crossover between HyperDimension Neptunia and School Project Idol! 2018 the year where Nepgear has someone she knows all to well sitting in her room on her bed, this girl was known as Honoka Kosaka or Kousaka as some pronounced her name, but to Nepgear she was just her good old cousin!