His rule: No sexual relations until age 18! Her rule: No rules.Yuri’s attempts at having a normal romance with Keiichiro are thwarted on a daily basis. But now that they’re on their first overnight school trip together in the mountains, they end up in the same bed?!Yuri’s attempts at having a normal romance with Keiichiro are thwarted on a daily basis. But now that they’re on their first overnight school trip together in the mountains, they end up in the same bed?!