This manga is peak, don't care what anyone here says. Pseudo harem, 100 girlfriends, and this manga are all peak fiction and some of the funniest and happiest chapters I've read. This always puts a smile on my face.
If the split ones are based on dreams and experiences of a single person... Isn't 10 years can create, like, 100+ personalities? And inevitably, 100 girls for him to date before disappearing? I wonder if their parent's money is enough to hold that much of a family...