Shitsukete Amayaka Shite Kawaigatte

Yamashita, a diligent office worker, is initially unhappy with his new boss, Touno. Although Touno is a soft-spoken and capable general manager, Yamashita feels an inexplicable discomfort around him. However, as they collaborate on an important project, they begin to grow closer. Just as Yamashita starts to let his guard down, Touno's strong presence awakens his inner “Sub.” Caught in a whirlwind of emotions, Yamashita experiences a kiss that leaves him breathless, his body melting under Touno's powerful “Dom” commands. As Touno explores what makes Yamashita feel good, he gently spoils him, awakening a deep longing that Yamashita can no longer resist. In the throes of pleasure, feelings bloom between them, leaving Yamashita yearning for more...

(Source: Overlap, translated)

Note: Includes one extra chapter.