Fuyushirazu no Koi

Even though Chihiro is Shuuto's cousin, his neighbor, and a guy, Shuuto has had feelings for him for five years. Shuuto knows nothing good could come from these feelings. That doesn't stop Shuuto from kissing his cousin...and touching himself. When Chihiro catches Shuuto kissing him, Shuuto soon realize his unrequited love might still have hope.

(Source: Fantasista Inc.)