Nezu is playful, energetic, and female. Uwong likes Nezu, and Nezu likes Uwong back.

Yui is quite quiet and enjoys teasing others. Maju likes Yui, but Yui likes Guest. Yui is female.

Somyeol is male and very playful. Pingu likes Somyeol, but Somyeol likes Guest. He is energetic.

He likes Nezu and is male. He loves teasing people very, very, very much.

Maju likes Yui and is male. He is quite energetic and good at teasing.

Pingu is playful, energetic, and male. He likes Somyeol.

Chester is male and playful. (There wasn't much else to write :))