SENTIVE (Sensitivity + Active: Sound Team) is a Japanese sound production unit, comprised of composers, musicians, vocalists, and lyricists.

The following list of members was taken from an old version of SENTIVE's site and may be out of date:

Kyosuke Akatsuki (Akakyo): composition, arrangement, lyrics, mixing, synthesizer, programming, sound effects
J.Miki: composition, arrangement, mixing, recording engineering, guitar, bass, piano, synthesizer, violin, programming, sound effects
Sei (せー): composition, arrangement, mixing, synthesizer, programming, sound effects
UNi: composition, arrangement, lyrics, mixing, mastering, recording engineering, guitar, bass, drums, piano, synthesizer, electric violin, programming, sound effects, design

大吾: lyrics, vocal, chorus
Ippei Yoshino: lyrics, rap, voice, mixing
Kaito Oumi (青海皆人): lyrics, scripts
Mao Sakazaki (坂崎真央): lyrics, vocal, chorus, voice
Miya Kotuki: lyrics, vocal, chorus
NAKI: composition, lyrics, vocal, chorus voice
take.c: lyrics, scripts
Tamari: lyrics, vocal, chorus
Tsukina Miyazu: lyrics, vocal, chorus, voice
yanaginagi: lyrics, composition, vocal, chorus
yuiko: lyrics, vocal, chorus, voice
YuNa: vocal, chorus

Aki: photo, proofreading, design
HATTORI: help
js: Flash movies, 3D CG/design
木暮かなめ: event sales, 2D CG/design