On 9 November 2020, it was suddenly announced via the official group fan cafe that OnlyOneOf‘s Mill would be placed on indefinite hiatus. The agency, RSVP Entertainment made the decision due to internal issues.

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| theqoo

According to the company, he will be halting any promotional activities due to having broken internal team rules. It was not specified as to the rule that had been broken nor the issue that had occurred.

Current member Mill will be halting promotional activities due to having broken team rules. His participation in any official and unofficial schedules including YouTube daily lives as well as the upcoming drive-through fan meeting, will be halted for the time being.

— RSVP Entertainment

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| @OnlyOneOf_twt/Twitter

The company also asks for fans to continue to wait patiently for his return.

We ask for fans to wait for him with unchanging love.

— RSVP Entertainment

Meanwhile, OnlyOneOf had been gaining momentum as rookies. Check out their cover of OH MY GIRL‘s “Dolphin” below.

The post as uploaded by RSVP Entertainment can be read below.

Hello, this is RSVP.

We will be advising with regards to the matter of OnlyOneOf’s member, Mill.

Current member Mill will be halting promotional activities due to having broken team rules. His participation in any official and unofficial schedules including YouTube daily lives as well as the upcoming drive-through fan meeting, will be halted for the time being.

This decision has been made with OnlyOneOf and Mill in mind, for him to take some time and come back with a better side of himself. We ask for fans to wait for him with unchanging love.

— RSVP Entertainment