Osananajimi Kon: Tensai Kishi wa Bukiyou na Kedamono!?

A marriage interview with your childhood friend who's now a professional shogi player?! Hana has always dreamed of getting married, but she just can't seem to find a boyfriend. It's been ten years since she last saw her childhood friend, Issei, and somehow they've reunited at a marriage interview?! The gentle Issei that she once knew is now called the "Demon Sergeant" with his intimidating aura! Hana is unsure of the proposal after seeing how he's changed, but when she realizes he's still as awkward and as kind as ever, she cuts to the chase and confesses to Issei! "Can we please date with marriage in mind?" (Source: MangaPlaza)