Keiken Zumi na Kimi to, Keiken Zero na Ore ga, Otsukiai Suru HanashiKeiken-zumi na Kimi to, Keiken-zero na Ore ga, Otsukiai Suru Hanashi.; 経験済みなキミと、経験ゼロなオレが、お付き合いする話。; You Were Experienced, I was Not: Our Dating Story; Искушённая ты и незрелый я,; История знакомства опытной тебя и неопытного меня; หนุ่มซิงกับสาวฮอต เดตนี้จะรอดมั้ยนะ; Kẻ ngây thơ, người từng trải và câu chuyện tình của chúng tôi

Ryuuto Kashima is a gloomy high school student. Because of a punishment game, he was forced to confess to Runa Shirakawa, a girl from the top of school caste and admired by everyone. They ended up going out for the unexpected reason of "Err, I'm free now so..." but, Ryuuto ends up following and eavesdropping Runa getting confessed by a handsome soccer club member, and Runa bringing Ryuuto, whom she just started dating, to her own room as a matter of course. They have different friends and ways to have fun, different in just about everything. And yet, surprised by their differences everyday, accepting it, they begin to relate with each other. A love story that will make you feel wonderful when you read it, starts now!