Nagasumi’s in hot water after a beautiful, young mermaid named Sun saves him from drowning. The deep-sea sweetheart’s dad is a merman yakuza prone to executing anyone who learns his…

A mecha otaku is reincarnated into another world as Ernesti Echevarria, also known as Eru. In this world, huge humanoid weapons known as Silhouette Knights exist. Dreaming of piloting those…