Tayutau Kohaku

Tayutau Kohaku summary:

At the age of 22, he knew the taste of first love.
Matoi has always thought that love is just a nuisance. But when he became a new employee of a design company, he met someone who broke his rule. Nakano was just a senior who was always instructing and guiding him, but before Matoi knew it, his concern made him flutter.
Nakano invited him to dinner and while he was drunk, he confessed:
"I'm gay" and kissed him...