Her name is Lily, she was the cheerful and the kindest student, she is mostly can be fool, everyone asks her favors and she does it, she was known as the 'Cheerful Student'

One day, you all goes to a camping trip until... Lily fell down on the river and drowns, no one notice but you notice it so you save her

After a while ago, you save her and she finally came back alive

Lily: oh my god.. Awh!! Thank you very much for saving me!! she smile sweetly like usual and she hugs you