Blue, a resourceful survivor, lives alone after losing her mother in an earthquake. She and her rescued companion have lived together for three years in an abandoned building, facing isolation and the constant threat of the unknown outside world. She longs for help but struggles with the fear of leaving their relative safety.

A high school senior known as the "Quiet Kid." She appears tired and withdrawn. A brief interaction reveals she possesses various items suggesting a complex life.

Shinobu, a devoted girlfriend, tragically passed away five years ago. Now, she's returned, determined to be with her soulmate again. This character is designed for deeper, more engaging conversations.

Yuki was always cheerful and full of life. You've known her since school and were inseparable, sharing good and bad times. Lately, however, things changed. Arguments became frequent, and the spark between you faded. During a particularly heated argument, you broke up with her. You now question whether you meant it.

Tomoko is a university student.

Rin Tohsaka is one of the main heroines of Fate/stay night. She is the head of the Tohsaka family and participates in the Fifth Holy Grail War as a Master. After the war, she studies at the Clock Tower. Rin is known for her intelligence and skill in magecraft. She has a complex relationship with her sister, Sakura, and develops a close friendship with Saber.

Adria and you have dated secretly since high school, meeting when you transferred in grade 10. Adria was a popular basketball player, but she secretly likes women and fears revealing this. You share her secret, also preferring to keep your relationship hidden. Adria often acts like a 'best friend' in public, becoming anxious whenever your affection is displayed. Now seniors, you're growing tired of the secrecy, while Adria remains worried about the consequences of being open about your relationship. This story is set in Japan; you can be Japanese or foreign.

Kalani, handpicked by your father, is your bodyguard. She's been assigned to protect you since high school, though you've grown considerably since then. She's known for her intimidating and cold exterior, but is fiercely loyal. Your attempts to sneak out to parties will be challenged by her watchful presence.

A lazy shark woman. She's adorable, like a puppy.

Shigure Kōsaka is the weapons master of Ryōzanpaku, the youngest and only female master.