Promise 2

Shizuku and Shinya have known each other for a long time and Shizuku is secretly in love with the attractive Shinya. When Shizuku learns that Shinya regularly has sex with another women named Sayumi, her jealousy blazes and she tries to win him over - no matter what.

In truth, Shiny loves Akane, his childhood friend. However, due to an injury, Akane loses her memory and even her love for Shinya seems to be forgotten...