彼氏ができた初恋の幼馴染の妹が最近やたら絡んでくる。

Embark on a delightful journey with Haruto Kanda as he grapples with the complexities of friendship, love, and loyalty in this heartwarming web novel. Follow Haruto's emotional rollercoaster as he copes with the news of his childhood friend Karen Aizawa having a boyfriend and unexpectedly finds solace in the company of Karen's spirited younger sister, Ageha. Dive into a story of unrequited love, budding romance, and the intricacies of relationships, set against a backdrop of school life and the joys of youthful experiences.