Anime Crossover: A Love Warrior's Harem of Rivals

[The issues raised in the comments have been seriously addressed. Take good advice and you'll never go hungry.]

[My Teen Romantic Comedy SNAFU + Mob Characters + Kaguya-sama] [Multiple Female Leads] [Fanfic Writer]

Kamiya Tsukasa had planned to become a host on the strength of his looks, but things didn't work out.

After discovering he'd landed in a slice-of-life anime crossover world, he decided to become a "warrior of love" and bring the healing stories from his previous life to this world.

After all, smiles never disappear, they just get passed on...