R-City

R-City (J市 R Shi) is a large city within the world of One-Punch Man.

Major Talent Company: Handsome Castle
The Handsome Castle is a talent company where newcomer celebrities come. Sweet Mask is the main face of the talent agency and the Soda Pop Boys are a group of wanna-be heroes that recently joined the Hero Association.

Heroes

 * Sweet Mask
 * Cherion (Soda Pop Boys)

Psychic Sister Arc
Sweet Mask was introduced to the Soda Pop Boys and was asked to take them under his guidance. He rejects the idea and insults the group, calling them copycats and an "ugly imitation" of him. Cherion, a member of the group and a C-Class hero, challenges Sweet Mask, but suddenly felt a shivering chill and sees Sweet Mask's weal-like marking on his neck.