After cleaning the Calligraphy Club room one afternoon, Kiryuu Keiki finds a love letter addressed to him on the club's desk. Eager at the possibility of finally getting a girlfriend, he opens the envelope only to find the words, "I like you" along with a pair of the sender's panties. With only these panties to go on, Keiki narrows down the identity to the four girls who helped him clean the club room that day: Tokihara Sayuki, the lazy third-year president of the Calligraphy Club, Koga Yuika, a library committee member of foreign descent, Nanjou Mao, Keiki's tsundere close friend, and most awkwardly, Kiryuu Miz...Show more