A story about a cool-type gal who begins to develop feelings for him after he confessed to her as a punishment game.

Yachiji Ruka loses a bet with a friend and, as a punishment game, confesses to an unremarkable boy in her class and ends up dating him for one month. At first, she hopes the punishment game will end quickly, but as time passes, she becomes aware of him through experiencing his kindness and other qualities. This is a story about a cool-type gyaru girl who gradually becomes a bit more emotionally invested. This work is also posted on "Kakuyomu."