Characters introduction:

Tasha:

Cute, pretty, kind, talented - she's every guy's dream girl. She had moved to Korea from Singapore for her career. Ferlyn's best friend and Peniel's first love.

Peniel:

A cool, chic guy from Chicago. He had to move to Korea for his career. Ilhoon's best friend as well as Tasha...or at least what she thought he was.

BTOB:

The group that Peniel is in. The other members include Eunkwang, Minhyuk, Changsub, Hyunsik, Ilhoon and Sungjae.

SKarf:

Tasha's group. Members include JooA, Ferlyn, Hana and Jenny...and not forgetting Sol, who left the group not long after they've debut.