Tentang
Chess is a 17-year-old boy who is a prince from the Flowering Kingdom. He secretly helps Ari, Suha, and Min to collect hopeful energy. It is heavily hinted he is in love with Ari. He also turns into a hamster, and Ari names him Tubby (통이, Tong-i), though he hates it.
(Source: Flowering Heart Wiki)