Annyui Na Kanojo

from chibi manga: after being broken-hearted for 3 times, in kozue's mind, she no longer needed men anymore. but she unconsciously started to care about this mature and considerate asano-sensei. after knowing asano-sensei cherished and loved his girlfriend so much, she then discovered that she fell deeply in love with asano-sensei… even though being rejected by the teacher, but kozue still couldn't forget her love and the romance for the teacher……!?