The second installment from the popular series Onegai Teacher. The main character of the story is Kamishiro Maiku, a high school student who has recently lost his parents and is now living alone. One day, Miyafuji Miina and Onodera Karen, two girls with completely opposite personalities show up at separately at his doorstep, claiming to be Maiku's twin sister. Although all three of them possess copies of the same photograph, that of a young boy and a young girl together, only one of them can be related to him. Which one of them is it? What will become of the other? This summer onegai/please observe the romantic drama of these three persons...

Picture	Name	Description
	Maiku Kamishiro	He is a high school student who live by himself and work part time job as a computer programmer. His peaceful life was over when Miina and Karen start to accompany him and trying to get Maiku to date them.
	Karen Onodera	A very shy and timid girl. She likes Maiku but too afraid to ask him out until that one day she saw Maiku and Miina kissing at the train station.
	Miina Miyafuji	Unlike Karen, Miina is a very outgoing and express her feeling to Maiku right a way. However, deep inside her heart, she is actually hiding something about her pasts.