Facing Miura Yumiko in front of him in his house for a study session and being her tutor, Hikigaya Hachiman feels that his days are only becoming more and more complicated. Will they learn to understand each other more while uncovering some dark pieces of their past ?

What if the selfish request of a rotten girl triggers a chain reaction in the relationships of a certain dead fish-eyed loner? Don't we all hate ourselves deep down?

[What if] In Kyoto, Hachiman, Saika, Saki and Yui are in the the haunted house. What would happened to the story if things happened differently? She is scary and kind just like him. That is what is the scariest thing about her.