Kusanagi Kei, a high-school student living with his aunt and uncle, has an encounter with a female alien. This alien is revealed to be a new teacher at his school. Later, he is forced to marry this alien to preserve her secrets. From there, various romant

Maiku Kamishiro has a problem. Actually, make that two problems. He has two young girls boarding at his house, each claiming that theyre his long-lost twin sister! Which one is Maikus sister? Which one is a total stranger?