Toilet Bound Hanako-kun Theories

Read the title. {POSSIBLE MANGA SPOILERS AHEAD} (p̶l̶e̶a̶s̶e̶ ̶r̶e̶a̶d̶/̶w̶a̶t̶c̶h̶ ̶t̶o̶i̶l̶e̶t̶ ̶b̶o̶u̶n̶d̶ ̶h̶a̶n̶a̶k̶o̶-̶k̶u̶n̶ ̶i̶ ̶n̶e̶e̶d̶ ̶m̶o̶r̶e̶ ̶p̶e̶o̶p̶l̶e̶ ̶t̶o̶ ̶t̶a̶l̶k̶ ̶t̶o̶)

"The Woman Waiting by the Sakura Tree."

"Hey... Have you heard of the new rumor?" "You haven't? Well, let me tell you the rumor of the newest member of the Seven Wonders of Kamome Academy..." "By the Sakura Tree, you will see a glimpse of a a woman..." "She goes by the name..." "The Waiting Woman."