Boku Ni Harem Sefure Ga Dekita Riyuu 5 !new! May 2026

This is the 5th volume (or chapter/installment) in a series that falls under the genre, typically involving a male protagonist who ends up with multiple casual sexual partners ("sefure" = セフレ, short for "sex friend").

(僕にハレセフレができた理由⑤ – The Reason I Got a Harem of Casual Sex Friends 5 ) boku ni harem sefure ga dekita riyuu 5