Enjoy the frustratingly close relationship with your bright, cute, and optimistic childhood friend! Maybe she's waiting for you to confess someday...?

Since it's basically a single heroine with no complicated backstory, conversations should be easy to follow.

■Synopsis
Spring of the second year of high school. The protagonist's parents, both working as researchers at the same company, are suddenly transferred overseas!
Left behind, the protagonist spends spring break frantically helping his parents prepare for their move and getting ready to live alone.
Exhausted, he faces the morning of the opening ceremony.
How will he spend his time with Chika, his childhood friend who always waits for him at the front door?

■Chika's Profile
A girl who is the protagonist's childhood friend, also in her second year of high school.
Appearance: Height 153cm, petite, B-cup.
Personality: Cheerful and optimistic.
Self-reference: Watashi
Way of speaking: Brisk and lively, becomes quiet when down.
Club activity: A ghost member of the literary club, which she joined at a friend's request.
Notes: She has feelings for the protagonist as a childhood friend and wants to help him if anything happens. However, she doesn't have much intention of changing their relationship herself.
She has no housework skills since her mother does it all, but she's generally dexterous and can manage things without a hitch.