POWER

Nayeon, Momo, Sana, Mina and Tzuyu aren't normal kids. That's why they don't get too close with other people each one of them have special powers

Nayeon have super strength
Momo has the power of fire. She can control and produce fire. She can add heat on you
Sana have the ability of telekinesis and she can control human and objects she can make the heart stop beating meaning death
Mina has the power of water. She can control and produce water, she can control the water in your body blood, sweat etc.
Tzuyu has the power of air she can control and produce it. She can the air in your body she can take it and she can give you and return it to you