Kotowarenai Kaichou wa Tomoe-kun ni dake Shiteagetai

The student council president, who's large in all sorts of ways, can't refuse any request. If it's for the sake of a student, she'll try her hardest to fulfill it. Tomoe-kun, the student council vice president, constantly tries to stop her from going too far. But she wants to receive an ecchi request only from Tomoe-kun...

(Source: Kadokawa, translated)