Considering that any disease are capable of mutating and our antibody are evolving against it through vaccination and shit (i'm no doctor), doesn't that makes a time traveller from the future basically a walking plague? If that's the case, what an irony....
and what is it? i think this manga already did it's purpose as it is which is the main character became close to each other beyond talking about sexual knowledge.
in my opinion, this type of ending is better than what other romcom like komi-san or takagi-san did, doing the same shit over and...
Teruko actually said it best, it's not that Momo is a bad girl, she's a natural little devil.
She keep giving false hope to every man around her even when she shouldn't.
Some people want a love interest who are nice to them, not everyone else especially your love rival.
It's not even close to 100 days since a lot of chapters happen in a single day. the title of this manga should be "this manga will be over in 100 pages"