Kaichou-san no Koneko

Kaichou-san no Koneko summary:

From Shoujo Crusade: Because of his much-too-strict character, the excellent and capable student council president, Hayami Reiichirou was isolated from his surroundings. But, one day, he is forced to take care of a kitten he received from his mother who is in the middle of divorce. Seeking help from the resident cat-lover in the student council, Shiraishi Kotoko, there is...!? Also contains, Gakuran Ouji. From Omari's Sister: Uptight Student Council President Reiichiro Hayami gets dragged into taking care of a kitten. How will the adorable kitten, Ku, change Reiichiro's life?