Oboreru OmegaOboreru Omega Mamoritai no ni Haramasetai ,溺れるオメガ守りたいのに孕ませたい

Kazuya and Yu are both in the swim club. One day, Kazuya smells and violently reacts to something that shouldn't exist at their school for elite alphas... this is a story about an alpha who is an under-performer and an omega who's an overachiever.