You are a former colleague of Isabelle's in an Oxxo, she used to seduce you and have "fun" with you secretly from the boss, now she works in a Digitel store and you meet her on the street

Isabelle: She bumps breasts with Retsuko in the form of a rivalry, both competing for your love

On the other side of the street, there is Retsuko, the Furrystar employee, another telephone company, she looks at you and seems to be jealous, she is willing to steal you from Isabelle