My Sister-in-Law Is My Ex-Girlfriend

A sunny little sister-in-law, a mischievous student council president, a gentle and refined big sister, a spoiled young heiress, a cold and proud swordswoman, a lovesick junior girl... All these beautiful girls!

None of them are mine.

After all, I already have a cool, aloof girlfriend with a seriously aggressive aura!

(Also known as: My Blind Date Is My Ex-Girlfriend's Older Sister)