Heart Eater

Seong-Ho, an elite office worker, loses his wife early and resolves to live for the sake of his young daughter. Then one day, his entire ordinary life begins to waver due to a remark made by a new employee, Cheon Do-Yun... "Manager, don't you remember last night? You pounced on me." What should I do..? It feels like it will be a long time before I can pull myself together and live a normal. (Source: MrBlue, translated)