Yosomi Nanka Yurusanai

Do not confuse with Koharu Biyori by Mizuki Takehito.

Hamuko, a hamster who doesn't look like a hamster at all, is ferocious, black-hearted, and has a super sharp tongue ♪ But everyone is crazy about the cute and mischievous Hamuko☆ In this world of survival of the fittest, Hamuko, at the size of a dragon fruit, is going to run around as she pleases!!!!! A Scroll of Frolicking Animals that is as cute as it is caustic!!!!! (Source: Kodansha, translated)

Nanami, a high school girl, is not good at dealing with boys; however, she dreams of falling in love like a protagonist in a shoujo manga. One day, when she was commuting to school, she encounters a mean boy named Rui who begins to change her...? (Source: Sun)