Clear Skies! Volume 2 (Yaoi) - CLEAR SKIES GN

Taiga's sister, who is Shu's wife, is still Mia. The two are slowly becoming comfortable living as roommates, but Taiga can't contain his feelings. He has been secretly pining for Shu since high school. Yet, the objective of his affection has never been farther away. Just when it appears that all hope is lost, Taiga makes a shocking discovery.