Reclusive novelist Makio Koudai has always preferred the company of books—but when her sister and brother-in-law pass away, Makio unexpectedly becomes the guardian of her 15-year-old niece, Asa Takumi. As they navigate grief, clashing personalities, and the challenges of living together, the two slowly open their hearts to each other, discovering warmth, understanding, and the meaning of family.

By day, Mitsutaka Oji is the handsome, dependable boss everyone admires. By night, he dotes on his favorite mascot, Pugtaro, and indulges his secret obsession with all things cute! He's kept his double life hidden for years—but one unexpected encounter turns everything upside down and forces Oji to face his feelings head-on!