Here is the love interests. This is an ATEEZ apply fic, so only the ATEEZ members will be the love interests. 

Seonghwa {178 cm/5'10"} [beta]

{Open/Reserved/Closed}

By Quxxn_Hyxna

Hongjoong {171 cm/5'7"} [omega]

  {Open/Reserved/Closed}  

For -halahala

Yunho {184 cm/6'0"} [alpha]

  {Open/Reserved/Closed}  

By jaehyzn

Yeosang {173 cm/5'8"} [beta]

{Open/Reserved/Closed}

By LA_Baobaos

San {173 cm/5'8"} [omega]

  {Open/Reserved/Closed} 

By me 

Mingi {183 cm/6'0"} [alpha]

  {Open/Reserved/Closed}

By Rapmopon  

Wooyoung {172 cm/5'8"} [omega]

{Open/Reserved/Closed}

by myself

Jongho {176 cm/5'9"} [beta]

  {Open/Reserved/Closed}  

By mnalikkeyou

Next is the form. I will probably edit this and put what their reaction would be to each subgender soon.