本剧改编自同名漫画，讲述了一心一意思念青梅竹马的爽朗受欢迎男子田中一仁，和擅长家务的淳朴男子夏川凉太之间的关系。故事从2人以升入大学为契机开始合租房间而展开。夏川知道了一仁喜欢的人是自己，开始意识到一仁的存在，从此一段坚强而笨拙的恋爱故事就此展开。

大學新鮮人夏川涼太終於要實現獨自居住的夢想，但兒時好友田中一仁卻在此時突然加入。清爽系帥哥一仁始終保持單身，涼太決定藉此機會找出他交不到女朋友的原因。愈來愈在意彼此的同居生活熱鬧展開！

Ryouta Natsukawa is starting university and he suddenly finds out that his roommate is going to be his childhood friend, Kazuhito Tanaka. Despite Kazuhito's picture-perfect looks, he doesn't have a girlfriend. Curious as to why this is, Ryouta proposes they go on a "date" to see if he can find any issues women may have with Kazuhito. However, as Ryouta gets to know more about Kazuhito, their relationship changes. Will they just remain friends? Or will their relationship blossom into something more?

Assim que o calouro Ryota Natsukawa se muda sozinho pela primeira vez, seu amigo de infância Kazuhito Tanaka acaba indo morar com ele. À medida que eles se adaptam a serem colegas de quarto, Ryota pergunta por que Kazuhito, um cara bonito e bem-apessoado, não encontrou uma namorada. Como o relacionamento deles se desenvolverá à medida que eles começarem a se preocupar mais um com o outro?