Kusunoki-san Failed to Debut in High School

Story:

Shizuki Keisuke, an extreme introvert, vows to change his life after his painful junior high school years and completely transforms himself for his high school "debut." Nobody is aware of his secret history, so his new high school life appears hopeful. However, Kusunoki Shizuka is the exception because she too transformed in order to have a more successful high school career. Will Keisuke eventually be able to enjoy a happy high school life as their destiny intertwine…?