Total Recommendations: 3
In these two series, you follow the story of a female protagonist going down a path in which they can never go back. Both depict dark and serious themes such as prostitution. Kimi ni Aisarete Itakatta shows a more soft core version of it's mature scenes than Henshin does. However, these two still share the common trait of being violent. The art style presented is similar.
The stories follow an orange haired female who upon seeing idols on TV, they are instantly entranced and amazed. However, in Love Live, she starts an idol group in which she scouts or recruits more members through the series, while in Ongaku Shoujo, the idol group has already been formed. Instead she is part of the staff management. In both, there is also a female character who does not approve of the orange haired girl creating/helping the idol group. All of the main characters in these two shows are females. The art style complements with the diversity of the how the characters look in a satisfactory manner. CGI scenes are seen in both, except Love Live displays it way more often than Ongaku Shoujo does, the style of the CGI are pretty similar. Conflict is seen towards the end of these series, although Ongaku Shoujo solves their conflicts way faster than Love Live does.
Both of these shows include a white/silver haired female protagonist traveling back in time; this decision being made by another character in the show. Another aspect these two have in common is the fact that there is a group of other characters who later on become friends with the female protagonist. Romance is prominently seen in both series. Both incorporate the school setting.