First-person perspective yuri anthology. You and a love interest.

Volume 1:
• High School Arc
Valentine's Day
School Trip
Club Activity
Graduation Ceremony
• Encounter
Customer
(Electric) Train
Skirt
• Work
Coworker
Senpai
Kouhai
• Date
Amusement Park
Restaurant
Shopping
• Four Seasons
Solicitation
Sea
Halloween
Christmas
• Living Together
Diet
Waking Up
Welcome Home
• Adult Arc
Valentine's Day
Trip
Stage
Marriage

Volume 2:
• High School Arc
• Middle School
• University
• Workforce
• Around Forty
• Adult Arc

Starting from the 3rd volume, some have 2 or 3 parts.
Volume 3:
• High School
• Middle School
• University
• Workforce
• Around Forty
• Foreigners
America
Italy

Volume 4:
• Unusual
Thief
Android
Witch
Mermaid
Vampire
Elf
• Normal
• Foreigners
China
England
Brazil
Korea
France
• Around Forty