If you're looking for anime similar to My Wife Is the Student Council President! OVA: Okusama Gekijou, you might like these titles.
Konoha Gakuen is a prestigious school whose students excel in both academics and sports. However, the institution's quiet reputation is turned upside down with the arrival of Naruto, a new transfer student whose ambition is to become the gang leader of Japan! After frequently battling with rival delinquents, Naruto manages to fight his way through the ranks of the academy. However, there's still one person left for him to beat – his bitter rival, Sasuke.
The cast of Fullmetal Alchemist aren’t always as serious as they appear to be; even they need to have fun from time to time. Whether Hawkeye manages to find a novel method for defeating the “Invincible Elric Brothers”, or Bradley decides to further humiliate his defeated foes, everyone has their own quirky ways of winding down. However, not all things change as no matter where he is, Hughes will always fawn over his beloved family and foist photos upon anyone nearby – even if it means holding up the show!