Kyou wa Ore ga Sounyuureru kara!!

Manato x Haruki x Shuuta x Yusuke deepening their bond and admitting their relationship. The story span over several oneshot chapters: 1. (えむけん!全国男子××検査) 2.Emuken 2 Danshi Yonin Warikan Ecchi!(えむけん２男子四人ワリカンえっち！) 3. 4. 5. The four boys continue their friendship and become even closer.