Warmhearted Guy, Give Me a Hug

In winter, the sea is below zero above the surface, but still five degrees underwater.

Just like him: he seems cold and distant, but in reality, he's a warmhearted man.

Otherwise, when her feelings were badly hurt by his younger brother, he wouldn't have slowly entered her heart with thoughtful, considerate gestures.

Socially anxious librarian VS handsome, rich, warmhearted boss. Very old-school romance.

Theme: Introverts heal each other