Summary and Preview
高校も無事に合格し、あとは入学式を待つだけ、そんな春休みのある日、惰眠を貪っていた大樹は、突如現れた、自称・幼なじみという少女・陽(ヒナタ)に叩き起こされる。だが、大樹には幼なじみなどおらず、記憶にもない。 それもそのはず、陽は隣人の変態博士が作ったアンドロイド。しかも大樹の高校合格のお祝い品だったのだ!! 無理やり押し付けられた幼なじみ、そして張り巡らされた｢お約束｣という名のトラップの数々。果たして、大樹の平和な日常はどうなってしまうのか!?
Hiroki's passed his high school entrance exams, and now he's looking forward to a peaceful, lazy spring vacation before the entrance ceremony. All of that is ruined on the morning he's woken up by Hinata, a stranger who claims to be his childhood friend. The truth is, Hinata is a "tsundere childhood friend" android made for him by his mad scientist neighbors in celebration for him passing his exam! With all the complications his new "childhood friend" is going to cause in his life, what will happen to the peaceful vacation Hiroki had hoped for?
Note: Starting in July 2010, Ikinari Osana Najimi started its serialization, treating the one-shot as chapter 1.