David forms and joins CHATEAU AGENCY.
David officially starts.
David makes a surprise guest appearance at Versailles' live in La Machine du Moulin Rouge at Paris, France.
David participates as the opening act of Visual Parade presents Metal? at Toyosu (豊洲) PIT.
First live is held in Tokyo (東京).
David participates in MASASHI (Versailles) birthday event, Dark Matter Party at Shin-Yokohama (新横浜) NEW SIDE BEACH.
David participates in Madwink. PRESENTS 「御礼参り」 at HOLIDAY NEXT NAGOYA.
David participates in Madwink. PRESENTS 「御礼参り」 at Umeda (梅田) Zeela.
Vocalist SUI founds his own label, Resonance, and David is transferred to the new label.
David participates in Madwink. PRESENTS 「Dark in the Dark Vol.61～ジャック in the ハンター2017～｣ at Meguro Rokumeikan (目黒鹿鳴館).
David holds their presents live, "Requiemage Show" at Takadanobaba CLUB PHASE.
David holds SUI's birthday event "「Genesis」to「Metempsychosis」" at Shinjuku ReNY. A limited single has also been announced, but it's unknown whether it'll be sold at this live.
David participates as a guest in "Starwave Fest Vol.18 〜レーベル設立8周年記念イベント〜" at HOLIDAY SHINJUKU.