Rio Asahina

Mika's best friend (Or perhaps more than a friend, as they are usually portrayed hanging out in an overally affectionate manner), billiards junior world champion and the daughter of a former luxury hotel owner who was bankrupted by a con she believes orchestrated by Shirasagi's father. This rage prompts her to challenge Tomu to billiards, a game of skill, thinking she can't lose. With Gokijima's help, Tomu wins, although he does run into a few problems along the way. After her defeat, Abidani has her sports scholar…