S-T-U-V-Z

S.P.Y -Welcome to Swim Paradise by ayano ukyo  
(status: ch01-13 End (volume) + ch01-13 End jp & cn / complete serie)

SCHOOL x FIGHT by hara asumi  
(status: ch01-05,08,11-12 cn)

SEX=LOVE^2 by shinjo mayu  
(status: ch01,03,05 cn)

SPICY PINK by wataru yoshizumi  
(status: ch01-05 jp)

SPICY RECIPE by amano maron  
(status: oneshot jp / complete oneshot)

SUKI DESU SUZUKI-KUN by ikeyamada go
(status: ch01 english [SW] + ch01-14 + extra jp)

SWITCH GIRL by aida natsumi  
(status: ch01-04 cn)

TEPPEN! by tsukimiya an
(status: ch01-04 cn & jp)

TOKYO INNOCENT by naru narumi 
(status: ch01 cn)

UWASA NO MIDORI-KUN by ikeyamada go
(status: ch14-18 english [SW & SL] + ch01-44 End + Extra jp & cn / complete serie )

ZENBU CHOUDAI by kurumatani haruko
(status: ch01-08 jp)

ps. cn=chinese , jp=japanese