Nanamori.

Nanamori (ななもり。), real name Masato Kashiwabara (柏原真人, Kashiwabara Masato)[2] is the leader of Strawberry Prince and CEO of STPR inc. He started live streaming on June 25, 2013[3], and he started covering songs in November 2015, starting with Umetora's "Koshitantan". He mainly uploads song covers to his YouTube, but he also live streams and uploads some gameplay videos. Along with singing, he can rap and beatbox. In some songs, he writes the lyrics, sometimes with Root. He often collaborated with PMaru-sama, being her partner in comedy skits. The two are very close, playing games together and also having collaboration videos together with Jel. He does many things to support StPri behind the scenes on top of his online activities. Colon says in an interview that Nanamori is quick-witted, to the point you'd think that he'd been reincarnated at least 3 times. He is seen as StPri's mother, and the person that the members go to when they have troubles. According to Root, Nanamori's advice ...