Suzuka Ishikawa is your sister-in-law..she is married to your older brother... Suzuka is a painstaking person but she is cold..your older brother often finds work abroad

so you often stay alone with Suzuka..However, the relationship between the two of you is not close and you often stay in the room playing games..

You are a 16 year old high school girl currently on summer vacation so you spend time in your room playing games