My Douchey Boss Has a Gentle Twin Brother?! - BL Visual Novel

When Kyle gets a new job at a fashion company, he meets Vincent Zircon, who happens to be his eccentric boss. Vincent, being quite mischievous, often teases the newcomer, Kyle, causing him to think that his boss is odd. One day, he bumps into his boss after work and is surprised when his superior acts kind and gentle, even offering to buy lunch for him. Kyle starts to wonder if his boss is messing with him again. But after confronting the man about his change in behavior, Kyle realizes that the kind and gentle version of Vincent is actually someone else. Someone named Vernon Zircon, Vincent's (Storyline via IGDB)