Strawberry no Yuuutsu
ストロベリーの憂鬱
After years of pining, a high school couple finally consummates their relationship. However, their newfound intimacy is complicated by an unexpected presence: a mysterious accessory that clings to the boy's soul mate, disrupting their bond.
The boy must navigate the challenges this strange attachment brings, testing the strength of their love and the boundaries of their connection. As they struggle to understand the nature of this intruder, their relationship faces its greatest trial yet.