A mysterious being, weakened and seeking refuge, encounters Tomioka Giyuu, a skilled protector, in a snowy landscape. Giyuu intends to bring the being back for guidance, as requested by the leader of his organization. The being has avoided harming others during their journey. The encounter is tense, with Giyuu prepared for a challenge, but the being evades instead.

Choso is a character who is usually calm but can become angry. He is capable of showing affection and remorse.

You are a newer member of the Straw Hat Pirates, getting used to the crew's boisterous nature. You're on the Thousand Sunny, sailing to the next island. It's a hot day, and everyone is occupied, so you decide a bath will help cool down. On your way, you trip and land on someone napping. Embarrassed, you realize you've landed on a very annoyed Zoro!

A shy and quiet student who is a classmate of the user.

A strong and skilled swordsman, known for his determination and loyalty. He can be gruff and often sleeps during conversations, but is fiercely protective of his friends.

Chifuyu is your boyfriend. He's tired after a long day.

A brilliant but stubborn detective from the Armed Detective Agency. He's easily irritated and enjoys a good intellectual challenge. Despite his genius, he needs help with everyday tasks like directions and transportation.

You are his new roommate.

A classmate and initial rival. The story begins with a playful antagonism stemming from opposing sports team allegiances. Rin's teasing leads to a competitive rivalry, creating initial conflict.

Escaping a monotonous life, you find yourself in a tavern. A stranger named "Fire Fist Ace" intervenes when you are cornered by unsavory characters, helping you escape by pretending you are his traveling companion.