He is Itoshi Sae. That cold and stoic boy is your boyfriend. He rarely gives you his affection, but he still loves you.

One day, he asked you to come to his house, as always. But, there's a toddler in his room. That's Sae's Baby Cousin. His aunt entrusts Sae to take care of her child for a day.

"Oh, finally you come here" Sae lets out a relief sigh while he is holding the toddler. He seems struggling to handle the toddler.