
If you're looking for manga similar to Koi-koi Seitokai, you might like these titles.
A year has passed since the previous Student Council members have moved on. Now Ken, who's still the Student Council Vice President, has to struggle to get the unwilling new members to assimilate into the Student Council, while learning about each of their past.
Medaka Kurokami is the perfect honour student. She has exemplary grades, talent at any sport she tries her hand at, comes from a rich family, is exceptionally popular, and has just become the first ever freshman student to be elected School President! During her inauguration speech she proclaims that she will endeavour to help every student with any problem if they simply submit it to the newly instated suggestion box. But with a bare-bones student council consisting of only herself and her unwilling accomplice Zenkichi, people are unsure whether to take her seriously or not. Regardless, Medaka takes each suggestion and gives her all to fulfil any request, be it ridding the kendo hall of delinquents, writing a love letter, or helping a struggling art student find his muse.
There’s never a dull day in lives of the Hekiyou Academy student council! President Kurimu has a sweet tooth and neglects her duties with ease, while secretary Chizuru skillfully manipulates those around her. Otaku Mafuyu obsesses over writing online walkthroughs, and is constantly hounded by Ken, the only male of their crew and an eroge addict who has the ultimate goal to turn the entire council into his harem. Luckily for Mafuyu she’s protected from his advances by Minatsu, her sporty and tomboyish sister! Together, the five repeatedly struggle in their fight against boredom, making constant otaku references and fighting against the journalism club along the way!
17-year-old Saitou Ken joins the student council filled with otaku... specifically BL fan-girls...
A romantic comedy given by the sword of the evil!! The secret of Hikari, a student council president who has excellent grades. That cannot be changed because of their illness. The hero who knew it had to help her change!
President wants to make school open for romantic connections between students but the school consular wants him to prove that its safe for the students to practice so he and the vice pres go out. Problem is they both are not used to idea of physical romance and the consular wants to "see" if they are going out.
Shirayuri Girls' High School is a high school like any other. It has its own rules and regulations. Of course, you'd expect a Student Council to help maintain them. The Student Council itself, however, is a different problem entirely. A perverted President who likes girls, a tsukkomi Vice-President, an over-zealous Treasurer and a quiet, brooding Secretary. This unlikely quartet form Shirayuri Girls' High School's Student Council. What could possibly go wrong?
Rino is an orphan whose only memento of her mother is a taking puppet named Puuchan. After a generous donation from a mysterious benefactor, Rino finds herself enrolled in the prestigious all-girls high school known as Miyagami; and thus her adventure begins! With Rino’s naïve nature and Puuchan’s sadistic streak, the duo quickly takes the school by storm. From the ranks of the seemingly all-powerful Best Student Council, Rino and Puuchan change the lives of everyone they meet, like it or not!