Thirty-Something Shusuke Kinoshita: Love And Choices

Shusuke Kinoshita is 31 years old. After being dumped by his younger boyfriend of five years, he drowns his sorrows by drinking alone in a park. Unbeknownst to him, the park is known as a hookup spot for guys, and it's not long before a young, attractive man named Eito invites Shusuke to join him at a motel. Uncharacteristically for him, Shusuke decides to accept his invitation. With the hopes of changing himself and forgetting about his ex, Shusuke spends the night with Eito...!

(Source: Renta!)

Note: Includes one extra chapter.