Our Sister's Soulmate — Season 1

In the lead up to Christmas, Momoko, a young store clerk who gave up everything for her little brothers, meets a forklift driver with a secret. 

While preparations for the Christmas decorations go smoothly, Momoko makes a blunder at work that forces her to make an urgent delivery. 

After Momoko loses her excuse to see Manato, she can hardly hide her disappointment. Others around her begin making progress in their own love lives. 

Momoko opens up to her brothers after inviting Manato to a barbecue with her coworkers. But Manato, still battling his dark past, struggles to reply. 

Momoko and Miyuki deal with the aftermath of their two very different confessions. Meanwhile, Momoko's uncle has a confession of his own. 

As Manato considers quitting work and putting everything behind him, a chance meeting forces him to come to terms with the past and his feelings. 

Manato and Momoko go around telling their friends and families the happy news. Miyuki finally tells Momoko how she feels about Kazuki. 

Momoko and Manato sit down with someone from his past. Later, Miyuki and Hinako try their best to process their whirlwind love lives. 

Momoko and all her friends and family prepare for the Christmas party they will hold at the store. Hinako receives the surprise of a lifetime.