Kimi to Hajimete Koi Wo Suru (Sonya Bunko) [Light Novel]

[Machine Translation] Count Klaus is a handsome, well-trained man with a reputation as a "perfect human being. However, he has one secret that he keeps to himself. That is that he is still a virgin. Then one day. One day, after getting drunk, he wakes up to find the baroness Isle lying naked on the floor! Is this after the fact? Is this after the fact? Is this after the fact? Is this after the fact? He also says that he will be his practice partner.... A love comedy about a pure-hearted aristocrat who doesn't know about love and a devilish young lady who is a bit of a wimp!

容姿端麗、文武両道、“完璧人間”と評判の伯爵令息クラウス。だが彼には一つだけ、ひた隠しにしている秘密があった。それは、彼がいまだ童貞であること。そんなある日。泥酔した翌朝目覚めると、男爵令嬢のアイルがなぜか裸で横たわっていた!「これは事後か?事後なのか?」動揺する彼にアイルは微笑む。「下手でした」と。さらに自分が練習相手になると言い出して...。恋を知らない純情貴族とワケアリ小悪魔令嬢のすれ違いラブコメディ!