Summary Mikoto-chan wa Kirawa Retakunai! from Kainu Manga
Mikoto-chan wa Kirawa Retakunai! summary: My beautiful, big-breasted childhood friend, Mikoto, is completely in love with me. It sounds like a dream scenario that anyone would envy — but there’s just one big problem... She’s turned into a clingy, mentally unstable mess with love that's way too heavy!!