Weighed down by memories she can't shake, high schooler Koyuki Hikawa keeps everyone at arm's length — until three schoolmates draw her out of her shell.

To escape his tiring job, weary Murata finds escape at a nearby baseball stadium. While the games are thrilling, it’s Ruriko, the gyaru as cold as the beer she serves but secretly a sweetheart, who keeps him coming back. As her first regular, Murata discovers the warmth behind her frosty demeanor, and their hilarious, heartwarming encounters light up the ballpark and maybe even their hearts.

It’s the year 2020, and Mizuho is having the worst 17th birthday ever. Her parents forgot it’s her birthday, she still can’t seem to get close to the senior she likes, and all her school trips and tournaments are canceled thanks to a new disease going around. She’s convinced she’ll never have the kind of youth she’s always dreamt of…until her childhood friend, Kizuki, suddenly asks her out.

某一天的棒球场上，有个看着超辣妹的啤酒小姐缠上了我!? 但其实这个女孩超级纯情……。 这次的舞台在某个专业棒球场!这里每天都聚集着许多人，大家在这里工作，一起欢笑。这个上演人间喜剧的球场，简直就像一个小镇! 来吧，你也一起来棒球场玩耍吗!?

This town, is not just a normal town. There's laughter, love and emotional moments. An unpredictable ordinary life presented by the residents! Exciting stuffs come one after another. Welcome to CITY.

BD和DVD第五卷收录的TV未放送第十四话。