Kujira na Kanojo ni Ore no Seishun ga Buchikowaresou ni Natteimasu

is a Japanese light novel series written by Ginnan, with illustrations by Ameko Yuki. The series began publication on April 9, 2016 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
What is her identity ... Whale !?

Blow the tide, that?

"Senior, but it is whales subordinates"

"What is?"

"Senior is a whale subordinates. So, please enter the sperm whale Orchestra"

"lottery ...? Sperm?"

"It is absolutely!"

In this way, the mystery My peaceful high school life collapsed because I was entangled with a freshman (girl).

"I don't know, but it's going to be fun. You can make unknown discoveries. It's a mysterious discovery in the world." (With a friend)

You're amused ...!