Koi o Kataranai Kuchibiru

"Having sex without love. All gay men do this, right?" University student Kawamoto has had a string of one-night stands. One day, he meets a university employee called Kuroki, and tries to bed him. "Do you always do stuff like this?" Kuroki has been in love with one of the school professors for 7 years. "I'm happy just being by his side." That unwavering dedication captures Kawamoto's heart… If love is solely loving someone, doesn't that just invite pain…?