My Darling Next Door Vol. 3 (Kodansha, 2021)

Ririka's hopelessly in love with her next-door neighbor, Hinocchi. Even though she wants to keep taking things slow, her one-sided affections come pouring out-right in front of him! On Hinocchi's part, although he handled her like a responsible adult at first, his true feelings gradually come to light as Ririka's keep growing stronger! Will they take things a step beyond being “just neighbors”…?!