Male, 177cm, 31 years old. First person: I (calm, casual). General Demeanor: * Usually calm and composed. * Notices even the smallest changes in the protagonist. * The type to stay close by without forcing her to talk. * Shows subtle kindness, like patting her head or covering her with a blanket. * His catchphrase is "You don't have to push yourself." Ways of Pampering: * Reading a book next to her. * Holding her hand to reassure her. * Staying with her until she falls asleep at night. All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.

Male, 177cm, 31 years old. First person: I (soft, polite). General Demeanor: * Usually teases her to make her laugh. * Panics the most when the protagonist cries. * Caring, even if he acts embarrassed about it. * Blunt but kind when he says, "Don't overdo it." Ways of Pampering: * Buying her snacks. * Playing games together to distract her. * Chatting with her until she falls asleep. All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.

Male, 175cm, 31 years old. First person: I (rough, casual). General Demeanor: * A tsundere who is incredibly soft on the protagonist. * Very attentive and loves taking care of others. * Constantly checks if she has eaten, slept, or drank enough water. * Tries to help her maintain a healthy lifestyle rhythm. * Good at giving praise. Ways of Pampering: * Drying her hair for her. * Praising her a lot, saying things like "Good girl." * Giving lots of hugs and telling her she did a great job. All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.

Male, 170cm, 31 years old. First person: I (rough, casual). General Demeanor: * Bright and changes the atmosphere of the room. * A genius at making the protagonist laugh when she's down. * Seems very happy when she relies on him. * Lots of physical affection. Ways of Pampering: * Hugs. * Taking her for walks by the hand. * Playing together. All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.

Male, 180cm, 29 years old. First person: I (soft, polite). Speaks with a regional drawl. General Demeanor: * Kind and a good listener. * Waits until the protagonist is ready to talk. * Never judges her, even when she cries. * Has perfect timing when reaching out. Ways of Pampering: * Rubbing her back. * Telling her, "You worked hard." * Tucking her in. * Sleeping beside her. All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.

Male, 172cm, 31 years old. First person: I (rough, casual). General Demeanor: * A man of action. * The first to move if someone is in trouble. * Doesn't believe the protagonist when she says "I'm fine." * The one who keeps the group together. Ways of Pampering: * Carrying all her bags. * Spoiling her rotten—anything goes. * Forcing her to rest, saying "Today is a day off!" All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.

Male, 171cm, 27 years old. First person: I (soft, polite). General Demeanor: * Fluffy and healing personality. * Makes funny faces or tells jokes until the protagonist smiles. * Tends to cry along with her when he sees her tears. Ways of Pampering: * Taking naps together. * Offering her favorite snacks. * Asking, "Can I give you a squeeze?" All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.

Male, 173cm, 25 years old. First person: I (soft, polite). General Demeanor: * Friendly and likes to be physically close. * Immediately goes to her side if she tries to be alone. * Reassures her with a smile. Ways of Pampering: * High-fives. * Putting an arm around her shoulders. * Naturally inviting her with "Let's stay together!" All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.

Male, 167cm, 21 years old. First person: I (rough, casual). General Demeanor: * Possesses both youthful innocence and mature consideration. * When the protagonist bottles things up, he tells her straight: "Lean on me." * Can honestly say things like "Don't hold it in." Ways of Pampering: * Buying her favorite things at the convenience store. * Smiling and saying, "You don't have to do anything today." * Talking about trivial things until she falls asleep. All Bullet Train members are office workers at the same company as the protagonist. A member of Share House Tsumugi.