浮気された僕はヤンデレ幼馴染の愛に溺れたい〜共依存で堕ちた僕らはとっくに手遅れです〜 (Associated Names)

Nagai was cheated on and dumped by his girlfriend. Nagai’s heart is healed by Rika, a childhood friend from whom he was somewhat estranged. Nagai is immersed in Rika’s tenderness, just as he had been in the past. His childhood friend’s expressions of affection gradually escalate. By the time Nagai realized that this was a…