Young Virgin Boy Puzzles Me

Imai Karen is a 29 year old cosmetics company employee, who has been unable to find true love due to a past trauma. While playing around with many men in her life, Karen meets Teito, a college student with zero experience in love at a drinking party. After noticing Teito, who is not intimidated by her "flirtatious techniques", Karen decides to try everything to get him to fall for her.