Jojowhen a Substitute Encounters a Natural Enemy

"I just won the travel prize and met my classmates in a foreign country. This is very reasonable and consistent with probability." ——Rio Hashima, an ordinary female high school student who firmly believes in science and is ridiculously lucky. "A troublesome woman... But her 'ordinaryness' cannot even be covered by my 'world'." ——Jotaro Kujo, the first time he met a "classmate" who he couldn't protect with his strength, but couldn't ignore him either. Reading tips:​ The heroine never knows about supernatural existences such as doubles, and uses science to explain everything The ability is completely passive, I have no control over it, and I have no awareness of it. Concept: Science can explain everything