Kawaikereba Hentai demo Suki ni Nattekuremasu ka?
Description:
After cleaning the Calligraphy Club room one afternoon, Kiryuu Keiki found 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 as evidence, 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 Calligraphy Club; Koga Yuika, a library committee member of foreign descent; Nanjou Mao, Keiki's slightly tsundere fellow classmate; and most awkwardly, Kiryuu Mizuha, Keiki's clean freak of a younger sister. Among at least three of these girls, Keiki believes is the one who left him the letter and their panties so with dete...