His rule: No sexual relations until age 18! Her rule: No rules.It’s almost Yuri’s birthday, and Keiichiro’s present for her is none other than a three-day trip to Kyoto! But as always, the couple isn’t allowed any intimate contact… How will Keiichiro’s birthday surprise for Yuri turn out?!It’s almost Yuri’s birthday, and Keiichiro’s present for her is none other than a three-day trip to Kyoto! But as always, the couple isn’t allowed any intimate contact… How will Keiichiro’s birthday surprise for Yuri turn out?!