Sensei, Kiite Yo

From Chibi Manga:Uta thought that her homeroom teacher was a geek, but she saw him when he was dressed differently. Sensei was actually a handsome rock-n-roll singer!? Since Uta had always wanted to have a boyfriend, she threatened him to \\\"go out with her\\\" and she wouldn\\\'t tell anyone his secret! but she ends up really falling in love with her teacher..!?Contains:• Natsu wa Ginga no Ame ga FuruSummer Holidays. She didn\\\'t want to visit her grandmother, who she is on bad terms with, so she spends O-bon festival alone like she wanted. (Only for watching the house though!) And the person who appears in front of Akari is...!?