二人でパパはじめました

Futari de Papa Hajimemashita

Before transferring to New York, Nogi Shinjiro confessed to his crush, Aoyama Yuki, and was rejected for not being gay. Nogi came back from overseas after 2 years and is surprised go see that Aoyama has a kid now. What happened while he was away? Note: Contains the extra "Sannin de Kazoku Hajimemashita" (三人で家族はじめました).