JYJ member Junsu (XIA) has caused one of his fans to become a top student at her respective school.

On May 16th, one of Junsu' fans took to Twitter and wrote, "I'm in junior high school, and my mom said that I could only go to Junsu oppa's concert if I became the top student at my school. I studied really hard and became the top student. So now I'm going to the concert."

Junsu's mother who saw this tweet then said, "Wow, first in your school! Amazing! The Junsu effect is great, good job."

Netizens who saw their interaction on Twitter responded saying, "The Junsu effect truly is amazing, and the student that became the top student at her school is also amazing."

Meanwhile, JYJ's Junsu recently released his formal solo album 'TARANTALLEGRA' under the name 'XIA'. He is holding a concert at Jamsil Indoor Gymnasium on May 19th and 20th to kick off his Asia Tour.

Source & Image: StarToday via Nate