Ryuto, a high school sophomore, is a typical introverted guy. He has few friends, and his only hobby is watching game commentary stream. Naturally, he's never had a girlfriend for 16 years of his life. However, after scoring the highest on a test, he finds himself confessing to Luna, the most beautiful girl in their grade. They've barely spoken before, and their worlds seem miles apart. He expects to be rejected, but... 高二的龙斗是个量产型边缘人。朋友很少，兴趣只...

Ryuto starts dating Luna. However, his friends, Icchi and Nishi, tell him that Luna only accepted his confession as a joke by the extroverts. This makes Ryuto anxious; he's worried he might get rejected quickly. Even when Luna talks to him, he's too conscious of the people around him, and his confidence wavers. In the midst of this, they plan their first date. What will happen? 龙斗和月爱开始无关。然而好友阿伊和阿仁却说「她会答应你的告白，只是嗨咖的玩笑话罢了」经验，让他很担心自己很快就会被甩，内心十分不安...

Ryuto is shocked when Maria, the girl who rejected him in junior high, transfers to his school. He distances himself from her because he's now dating Luna. One day, Luna's friend, Nikoru, informs Ryuto that Luna's birthday is approaching. What will Ryuto do about it? 国一时甩掉龙斗女孩的海爱转学进来，让龙斗非常惊讶。然而他已经有月爱这个女生了，所以就算有经验海爱向他搭话，他也和海爱保持着距离。 第一天，月爱的好友鬼辣妹笑琉璃却跑来龙斗，龙斗胆颤心惊地听着她说话，笑琉告诉他月爱的生日就快到了……！？

Ryuto boldly declares in front of his classmates that he's Luna's boyfriend. Luna also tells everyone about her relationship with Ryuto. But when Maria silently leaves the classroom, Ryuto follows her and asks why she spread rumors about Luna. Maria starts revealing her surprising connection with Luna! 龙斗当着班上同学的面宣告自己是月爱的男朋友。月爱也把自己和龙斗在交往的事情告诉了大家。这时海爱独自离开了一片哗然的教室。龙斗追了上去，问她为什么要散布月爱的负面传闻。结果海爱便开始说起了她和月爱之间令人讶异的关系……！

To celebrate their one-month anniversary, Ryuto and Luna plan a beach date. Ryuto is excited to see Luna in a swimsuit but feels anxious. They apply sunscreen to each other, and the tension begins to fade. However, the weather takes a sudden turn, stranding them far from home. 为了庆祝交往满一个月，龙斗和月爱决定去海边约会。龙斗因为月爱耀眼夺目的泳装打扮而心动不已。光是帮月爱在背上涂防晒油他就快虚脱了，不过被月爱开心的样子影响，他也逐渐放下了紧张的心情，享受着约会。然而到了傍晚天气突然变差，大众运输停驶，害他们两个没办法回家了……！

Maria tricks Ryuto into meeting her in the gymnasium warehouse at night, pretending to be Luna. Ryuto is deeply shaken when Maria confesses her feelings and desire to give herself to him completely. How will Ryuto respond? And who is the mysterious person filming their conversation? 在晚上把龙斗叫去体育馆仓库的人，原来是装成月爱的海爱！海爱恳切地向内心严重动摇的龙斗说出自己心中的想法。 「我想把第一次……我想把自己的一切都献给加岛同学！」听了海爱的心意后，龙斗会……？而且两人在交谈的景象，被某人给拍到了……!?

Ryuto and Luna spend two weeks together at Luna's grandmother's house before the summer festival. They assist at the beach house, shop for dinner, and cook together. Their interactions feel like those of a married couple, and they dream about their future together. 龙斗和月爱在到夏日祭典前的两周期间，一起住在月爱的曾祖母家里。一起帮忙海滩商店的工作、一起去买晚餐的食材、一起下厨……两人因为宛如夫妻般的情境而心跳不已，同时细细地品味着这份幸福，想像着两人的未来。

Ryuto plans a new experience for himself and Luna by taking her to play airsoft. He invites Icchi, Nishi, Nikoru, and Akari to join, leading to an intense battle between introverted guys and extroverted gals on the field. After a thrilling game of airsoft, Ryuto and Luna find themselves alone and decide to ride the ferris wheel together. 龙斗在思考有什么他跟月爱都没有经验，又能跟月爱一起去做的事情之后，决定要去玩生存游戏。两人还邀了阿伊、阿仁、妮可、小朱，边缘男跟辣妹们在场地内展开了一场炽热的战斗。在兴奋地玩过生存游戏后，得以两人独处的龙斗和月爱一起搭上

Luna decides to run a "Make Friends Plan" with Maria and volunteers for the cultural festival committee. Ryuto is roped into this too, and the three of them become pamphlet distributors. However, tensions rise as Luna and Maria clash over ideas, while Ryuto and Maria bond over discussions about video games. This awkward dynamic leads to an unexpected event during the school sports festival. 月爱为了推进和海爱的「朋友计画」，自愿要当校庆的执行委员。龙斗也被拖下水，三个人一起负责制作导览手册。然而月爱和

Luna suggests that they distance themselves from each other for a while. Stuck in uncertainty, Ryuto hears from Akari that Luna might be involved in some "sugar daddy" arrangements. Though he initially dismisses it, Ryuto becomes curious about Luna's potential partner. He arranges for Kanzaki to come to school during the cultural festival, but things take an unexpected turn. 月爱向龙斗提议两人暂时保持距离一段时间。龙斗对此无能为力，却从小朱那里听说「露娜可能在做爸爸活」。尽管他相信月爱不会做那种事，还是很在意那位男性

Icchi is heartbroken after Akari rejects him and becomes a recluse, while Nishi has a crush on Nikoru. Although Nikoru seemed to be dating Sekiya again, their relationship isn't going smoothly. Amidst these complicated love stories, Ryuto and Luna's relationship remains awkward despite their efforts to appear calm on the surface. Finally, Luna makes a significant decision. 阿伊被小朱甩了之后闭门不出，阿仁则是在单恋妮可。妮可和关家重逢后看起来好像开始交往了，两人却进展得很不顺利……在每个人的恋情都摇摆不定的情况下，龙斗

Luna has a dream of reuniting her family under one roof. On Christmas Eve, with Ryuto and Maria's help, she plans a surprise operation to bring her parents back together. However, things take an unexpected turn during the operation. That night, Ryuto and Luna find themselves alone, and when Luna holds onto Ryuto, he is left in an unexpected situation. 月爱想实现能够再和家人同住在一个屋檐下的梦想。于是平安夜那晚，她在龙斗和海爱的协助下，筹备着要给父母一个惊喜的重逢，让他们再度变回夫妻的作战计画。然而事情却朝着意想不到的方向发展……！而且那天