Diabolik lovers

Glimmer

And finally we got the triplets, Ayato, Kanato, and Laito, the middle children of Karlheinz and Cordelia, the second wife.

While Shu and Reiji, are the two eldest sons of Karlheinz and Beatrix the first wife.

Subaru is the youngest son of Karl Heinz and Christine, who is his third bride.

actually ayato, laito and Kanato is the only son of Cordelia the rest such as subaru, shu, reiji and etc have different mothers, shu and reiji have the same mother while subaru's mother was different