Kimi wa Pet
How to Spend a Birthday
S1 E4:
In spite of being interrupted by Fukushima, a receptionist approaching Hasumi aggressively, Sumire revealed her feelings to and entered a relationship with Hasumi. However, on Sumire's birthday, Hasumi couldn't make it due to work, and at night when Sumire returned home tiredly, MoMo prepared a surprise for her.