The older sister who was adored when they were kids, the feelings of love and tenderness that still have not disappeared, and then… a reunion.
This has nothing to do with married wives! I’ll take Professor Keiko back, no matter what! I’ll make her mine!

The attractive Keiko, the sexual harassment teacher Ayako, the childhood friend Haruna... Watch out for what is sure to be the outbreak of scenes of training war!!

[From DLsite English]