Adachi and Shimamura happened to meet each other on the second floor of the gymnasium as they were skipping class. Eventually, they started seeing each other more and started playing ping-pong together.
This is definitely weird,
Ziemlich komisch.
Sin duda es raro,
Es muy raro,
Vraiment bizarre.
Era decisamente strano,
É muito estranho,
Очень странная.